New York City telephone exchanges after December 1930

(alphabetic listing)



Please note that this table is still under construction. As a result, you cannot assume that I do not have data on those exchanges that are not listed. Instead, what you can more likely assume is that I just have not had time to enter the data yet.
Also, there are going to be a lot of dead links at the present time. This is because when I add data for a particular exchange to one table, I do not necessarily add the same exchange's data to all the other relevant tables. So please excuse these problems.
I do, however, want feedback on whether you like the format of this site and any suggestions you have for improving it. Please e-mail comments to me on those points.

The following table lists exchange names used in New York after December 1930, when the format of telephone numbers changed from three letters and four digits (three-letter exchange names) to two letters and five digits (two-letter-one-digit exchange names). This is one of a series of tables covering the post-1930 period, and if you have not already read the information on the master page of the set, you are advised to do so. Exchanges are listed in the order of the alphabetical sequence of their names, and within those, by the final digits of the exchanges. Thus all "LOngacre" exchanges are listed together in numeric order, followed by all "LOrraine" exchanges in numeric order. (For a table with the exchanges ordered by the two-letter prefixes and third digits, click here. For a table with the exchanges ordered numerically by the three-digit equivalent of the exchange name, click here.)

Note that some exchange names, such as DAvenport and DEfender, were discontinued and revived, often in a different part of the city, so that the dates of usage must be noticed.

In the last years before the abolition of exchange names entirely, some exchanges were created with only two letters (not made to begin a word) followed by a digit, such as TT 5 (sometimes referred to as "selected letter" exchanges). These are listed with a hyphen in the column where the normal listings show the rest of the exchange name after the two dialed letters.

The column headed "Previously" can contain any of four different kinds of entries, followed (if the information is known) by a date which indicates the beginning of the usage of this exchange name. (Many dates are approximate; this is one kind of information I do not have in as much detail or as completely as I have most other kinds. If you have better information on when an exchange was changed, please let me know.)

See the Note on Dates below.

In some cases, the "Previously" column data will be split. When an exchange name was replaced by a different one, sometimes it was an exchange that was already in use, as when VOlunteer 5 became ELdorado 5. In such a case the ELdorado 5 exchange name will show its (earlier) date of creation, with "New" or a previous exchange name, and additionally, on another line, the exchange that was merged into it, with the date of that merger.

The column headed "Subsequently" will only show an entry if the exchange name was changed to something else at some point in time. The exchange that replaced this one will be shown here, followed (if the information is known) by a date which indicates the end of the usage of this exchange name. (Many dates are approximate; this is one kind of information I do not have in as much detail or as completely as I have most other kinds. If you have better information on when an exchange was changed, please let me know.) Clicking the name will transfer you to the place in this alphabetic chart where that exchange is found; clicking either the two-letter abbreviation or the final digit will transfer you to the corresponding entry in the Post-1930 alphabetic/numeric chart; and clicking the three digits will transfer you to the corresponding entry in the Post-1930 numeric chart.

The same Note on Dates below applies to the end-of-service dates as to the start dates. The term "ANC" means that service continued into the era of all-number calling, with the numeric values continuing.

Note that most of the exchanges were unchanged as to their three-digit equivalents by the 1930 change mentioned above. They are listed with their pre-1930 numeric values in blue. A few were changed, and those are listed with their pre-1930 numeric values in red.

A few exchanges were renamed during the era of two-letter exchanges without any change in dialing, such as ORchard 4 to ORegon 4. These renamings are also shown with the digits in blue.
Exchange Numeric value Borough Previously Subsequently
AC ademy 2 222 Manhattan ACA demy 222 December 1930 ANC
3 223 Manhattan New (1947-1948) Unknown 1948
4 224 Manhattan CL arkson 2 252 (1935-1936) UN iversity 4 944 (1946-1947) (See Note 1)
AD irondack 4 234 Bronx (see Note 2) ADI rondack 234 December 1930 FO rdham 4 364 Mid-1933
Manhattan (see Note 2) New (1947-1948) Unknown Post-1960
AL gonquin 4 254 Manhattan ALG onquin 254 December 1930 ANC
5 255 Manhattan New (1947-1948) Unknown Post-1960
AL legheny 5 255 Bronx New December 1930 (See Note 3) LU dlow 7 587 Early 1933
AM bassador 2 262 Brooklyn AMB assador 262 December 1930 Unknown (1937-1940)
AN drews 3 263 Manhattan AND rews 263 December 1930 WH itehall 4 944 Early 1937
AP plegate 6 276 Brooklyn New Mid-1932 TA ylor 7 827 Mid-1948
GE ttysburg 9 439 Early 1937
7 277 Brooklyn APP legate 277 December 1930 ANC
AR - 5 275 Queens New ca. 1960 (See Note 4) Unknown Post-1960
AR lington 5 275 Brooklyn ARL ington 275 December 1930 BE achview 2 232 Early 1933 (See Note 5)
AS hland 4 274 Manhattan ASH land 274 December 1930 MU rray Hill 3 683 (1946-1947) (See Note 1)
AS toria 4 274 Queens New (1936-1950) Unknown Post-1960
8 278 Queens AST oria 278 December 1930 ANC
AT lantic 5 285 Brooklyn ATL antic 285 December 1930 Unknown (1937-1940)
AT water 9 289 Manhattan ATW ater 289 December 1930 ANC
AU dubon 1 281 Manhattan New Pre-1957 (1950) Unknown Post-1960
3 283 Manhattan AUD ubon 283 December 1930 ANC
6 286 Manhattan New Pre-1957 (1950) Unknown Post-1960
AX tel 1 291 Queens New (1950-1957) Unknown Post-1960
6 296 Queens New (1950-1957) Unknown Post-1960
7 297 Queens New (1936-1950) Unknown Post-1960
BA rclay 7 227 Manhattan BAR clay 227 December 1930 ANC
BA yside 4 224 Queens New Pre-1957 (1950) Unknown Post-1960
5 225 Queens New Pre-1957 (1950) Unknown Post-1960
9 229 Queens BAY side 229 December 1930 ANC
BE achview 2 232 Brooklyn BEA chview 232 December 1930 ANC
AR lington 5 275 Early 1933 (See Note 5)
8 238 Brooklyn New (1937-1940) Unknown Post-1960
BE ekman 3 233 Manhattan BEE kman 233 December 1930 ANC
BE lle Harbor 5 235 Queens BEL le Harbor 235 December 1930 Unknown Post-1950
BE nsonhurst 6 236 Brooklyn BEN sonhurst 236 December 1930 ANC
BE rkshire 7 237 Brooklyn BER kshire 237 December 1930 See the Irregular Changes Table Early 1933 (See Note 5)
BI llings 5 245 Manhattan BIL lings 245 December 1930 See the Irregular Changes Table (1935-1936)
BI ngham 6 246 Bronx BIN gham 246 December 1930 JE rome 6 536 Early 1933
BO gardus 4 264 Manhattan BOG ardus 264 December 1930 MU rray Hill 4 684 Early 1940
BO ulevard 1 261 Queens New Pre-1957 (1950) Unknown Post-1960
3 263 Queens New Pre-1957 (1950) Unknown Post-1960
8 268 Queens BOU levard 268 December 1930 ANC
BO wling Green 9 269 Manhattan BOW ling Green 269 December 1930 ANC
BR adhurst 2 272 Manhattan BRA dhurst 272 December 1930 See the Irregular Changes Table Late 1934
BR owning 2 272 Brooklyn New Pre-1957 (See Note 4) Unknown Post-1960
5 275 Queens New Pre-1959 (See Note 4) Unknown Post-1960
6 276 Queens New Pre-1959 (See Note 4) Unknown Post-1959 (See Note 4)
BR yant 9 279 Manhattan BRY ant 279 December 1930 ANC
BU ckminster 2 282 Brooklyn BUC kminster 282 December 1930 ANC
4 284 Brooklyn New Early 1932 Unknown Post-1960
7 287 Brooklyn New (1937-1940) Unknown Post-1960
BU tterfield 8 288 Manhattan BUT terfield 288 December 1930 ANC
CA ledonia 5 225 Manhattan CAL edonia 225 December 1930 MU rray Hill 5 685 (1947-1948)
CA nal 6 226 Manhattan CAN al 226 December 1930 ANC
8 228 Manhattan New (1950-1957) Unknown Post-1960
CA thedral 8 228 Manhattan CAT hedral 228 December 1930 MO nument 2 662 (1947-1948) (See Note 6)
CH elsea 2 242 Manhattan New Late 1931 Unknown Post-1960
3 243 Manhattan CHE lsea 243 December 1930 ANC
CH ickering 4 244 Manhattan CHI ckering 244 December 1930 ANC
CI rcle 5 245 Manhattan New Early 1938 Unknown Post-1960
6 246 Manhattan New Late 1934 Unknown Post-1960
7 247 Manhattan CIR cle 247 December 1930 ANC
CI ty Island 8 248 Bronx CIT y Island 248 December 1930 TT - 5 885 1960 (see Note 7)
CL arkson 2 252 Manhattan CLA rkson 252 December 1930 AC ademy 4 224 (1935-1936)
CL eveland 3 253 Queens CLE veland 253 December 1930 Unknown (1936-1950)
CL overdale 1 251 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 252 Brooklyn New 1947 Unknown Post-1960
3 253 Brooklyn New Pre-1957 (1950) Unknown Post-1960
6 256 Brooklyn CLO verdale 256 December 1930 SH ore Road 5 745 (1935-1936)
New 1947 ANC
7 257 Brooklyn New (1937-1940) Unknown Post-1960
SK idmore 4 754 Late 1946 (See Note 8)
8 258 Brooklyn New Late 1938 Unknown Post-1960
9 259 Brooklyn New Early 1948 Unknown Post-1960
CO lumbus 5 265 Manhattan COL umbus 265 December 1930 ANC
CO ney Island 6 266 Brooklyn CON ey Island 266 December 1930 ANC
CO rtlandt 7 267 Manhattan COR tlandt 267 December 1930 ANC
CU mberland 6 286 Brooklyn CUM berland 286 December 1930 MA in 5 625 1947
CY press 2 292 Bronx New Late 1947 Unknown Post-1960
3 293 Bronx New Early 1948 Unknown Post-1960
4 294 Bronx New Pre-1957 (1950) Unknown Post-1960
5 295 Bronx New Pre-1957 (1950) Unknown Post-1960
8 298 Bronx New Early 1948 Unknown Post-1960
9 299 Bronx New Early 1948 Unknown Post-1960
DA venport 3 323 Bronx DAV enport 328 December 1930 See the Irregular Changes Table Early 1932
6 326 Queens New (1936-1950) Unknown Post-1960
DA yton 3 323 Bronx New Early 1939 Unknown Post-1960
8 328 Bronx New Early 1948 Unknown Post-1960
9 329 Bronx DAY ton 329 December 1930 ANC
DE catur 2 332 Brooklyn DEC atur 332 December 1930 See the Irregular Changes Table Late 1934 (See Note 9)
DE fender 3 333 Brooklyn DEF ender 333 December 1930 Unknown (1937-1940)
5 335 Queens New (1950-1957) Unknown Post-1960
DE wey 1 331 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 332 Brooklyn New (1937-1940) Unknown Post-1960
6 336 Brooklyn New (1937-1940) NI ghtingale 6 646 1947
New Pre-1957 (1950) ANC
8 338 Brooklyn New Pre-1957 (1950) Unknown Post-1960
NA varre 8 628  
9 339 Brooklyn DEW ey 339 December 1930 ANC
DI ckens 2 342 Brooklyn DIC kens 342 December 1930 ANC
5 345 Brooklyn New 1947 Unknown Post-1960
6 346 Brooklyn New Mid-1932 Unknown Post-1960
DI gby 4 344 Manhattan DIG by 344 December 1930 ANC
8 348 Manhattan New (1946-1947) Unknown Pre-1957
9 349 Manhattan New (1946-1947) Unknown Post-1960
DO ngan Hills 1 361 Staten Island New 1954 EL gin 1 351 (See Note 10)
6 366 Staten Island Dongan Hills ND December 1930 EL gin 1 351 (1955-1956)
DR ydock 4 374 Manhattan DRY Dock 379 December 1930 See the Irregular Changes Table Late 1939
ED gecombe 4 334 Manhattan EDG ecombe 334 December 1930 WA dsworth 6 926 (1946-1947) (See Note 1)
EL dorado 5 355 Manhattan ELD orado 353 December 1930 ANC
VO lunteer 5 865 1949
EL gin 1 351 Staten Island DO ngan Hills 1 361 (See Note 10) Unknown Post-1960
DO ngan Hills 6 366 (1955-1956)
EM pire 1 361 Queens New ca. 1957 Unknown Post-1960
6 366 Brooklyn New ca. 1959 Unknown Post-1960
EN dicott 2 362 Manhattan END icott 363 December 1930 ANC
EN right 9 369 Manhattan New ca. 1950 Unknown Post-1960
ES planade 2 372 Brooklyn New Late 1931 Unknown Post-1960
3 373 Brooklyn New Early 1946 Unknown Post-1960
5 375 Brooklyn ESP lanade 377 December 1930 ANC
6 376 Brooklyn New (1937-1940) Unknown Post-1960
7 377 Brooklyn MI dwood 8 648 (Early 1936) Unknown Post-1960
ES tabrook 8 378 Bronx EST abrook 378 December 1930 See the Irregular Changes Table Mid-1939
EV ergreen 1 381 Brooklyn New Pre-1957 Unknown Post-1960
2 382 Brooklyn EVE rgreen 383 December 1930 ANC
3 383 Brooklyn New Early 1948 Unknown Post-1960
4 384 Brooklyn New (1937-1940) Unknown Post-1960
5 385 Brooklyn New 1947 Unknown Post-1960
6 386 Brooklyn New Late 1931 See the Irregular Changes Table Early 1934
New Early 1949 Unknown Post-1960
7 387 Brooklyn New Late 1931 Unknown Post-1960
8 388 Brooklyn New Late 1931 Unknown Post-1960
9 389 Brooklyn New Late 1931 Unknown Post-1960
EX change 1 391 NYTelCo New Pre-1957 Unknown Post-1960
3 393 NYTelCo (Manhattan) EXC hange 392 December 1930 Unknown Pre-1957
4 394 NYTelCo (Manhattan) EXC hange 392 December 1930 EX eter 4 394 Post-1957
5 395 NYTelCo (Manhattan) EXC hange 392 December 1930 EX eter 5 395 Post-1960
6 396 NYTelCo (Brooklyn) EXC hange 392 December 1930 Unknown Post-1960
7 397 NYTelCo (Bronx) EXC hange 392 December 1930 Unknown Post-1960
8 398 NYTelCo New Pre-1957 Unknown Post-1960
9 399 NYTelCo (Manhattan) EXC hange 392 December 1930 Unknown Post-1960
0 390 NYTelCo New Pre-1957 Unknown Post-1957
EX eter 2 392 Queens New (1950-1957) Unknown Post-1960
3 393 NYTelCo New Pre-1957 Unknown Post-1960
4 394 NYTelCo (Manhattan) EX change 4 394 Pre-1959 ANC
5 395 NYTelCo (Manhattan) EX change 5 395 Unknown ANC
FA culty 1 321 Queens New (1950-1957) Unknown Post-1960
2 322 Queens FAC ulty 322 December 1930 ANC
FA irbanks 4 324 Bronx FAI rbanks 324 December 1930 ANC
5 325 Bronx New ca. 1950 Unknown Post-1960
FA r Rockaway 7 327 Queens FAR Rockaway 327 December 1930 ANC
FI eldstone 1 341 Queens New Pre-1957 (1950) Unknown Post-1960
3 343 Queens FIE ldstone 343 December 1930 ANC
7 347 Queens New Pre-1957 (1950) Unknown Post-1960
FI llmore 8 348 Manhattan New (1950-1955) Unknown Post-1960
FI tzroy 8 348 Manhattan New December 1930 (See Note 3) See the Irregular Changes Table Early 1931 (See Note 11)
FL atbush 2 352 Brooklyn FLA tbush 352 December 1930 See the Irregular Changes Table Early 1933
FL int 4 354 Queens   December 1930 (See Note 3) HA vemeyer 9 429 Early 1931 (See Note 11)
FL ushing 3 353 Queens New Pre-1957 (1950) Unknown Post-1960
7 357 Queens New November 1933 Unknown Post-1960
IV anhoe 2 482 Early 1934
8 358 Queens New Pre-1957 (1950) Unknown Post-1960
9 359 Queens FLU shing 358 December 1930 ANC
FO rdham 4 364 Bronx New Mid-1932 Unknown Post-1960
AD irondack 4 234 Mid-1933
5 365 Bronx New Mid-1936 Unknown Post-1960
7 367 Bronx FOR dham 367 December 1930 See the Irregular Changes Table Early 1935
New Mid-1937 ANC
RA ymond 9 729 Early 1947
FO undation 8 368 Bronx (see Note 2) FOU ndation 368 December 1930 TR emont 8 878 Mid-1938
Manhattan (see Note 2) New 1948 Unknown Post-1960
FO xcroft 9 369 Brooklyn FOX croft 369 December 1930 GL enmore 5 455 1947
GE dney 4 434 Brooklyn New Late 1945 Unknown Post-1960
MA nsfield 6 626 1947
5 435 Brooklyn New Late 1945 Unknown Post-1960
WI ndsor 5 945 1947 (See Note 12)
6 436 Brooklyn New Late 1946 Unknown Post-1960
WI ndsor 6 946 1947 (See Note 12)
8 438 Brooklyn New Late 1945 Unknown Post-1960
WI ndsor 8 948 1947 (See Note 12)
9 439 Brooklyn New Late 1945 Unknown Post-1960
WI ndsor 9 949 1947 (See Note 12)
GE ttysburg 9 439 Brooklyn GET tysburg 438 December 1930 AP plegate 6 276 Early 1933 (See Note 13)
GI braltar 2 442 Staten Island New (See Note 3) December 1930 ANC
7 447 Staten Island New Early 1931 ANC
8 448 Staten Island New 1947 Unknown Post-1960
GL enmore (See Note 14) 1 451 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 452 Brooklyn New (1937-1940) Unknown Post-1960
JE fferson 3 533 1947
3 453 Brooklyn New 1947 Unknown Post-1960
4 454 Brooklyn GLE nmore 453 December 1930 See the Irregular Changes Table Early 1933
5 455 Brooklyn New Mid-1932 Unknown Post-1960
FO xcroft 9 369 1947
6 456 Brooklyn New Pre-1957 (1950) Unknown Post-1960
GR amercy 3 473 Manhattan New Late 1936 Unknown Post-1961
ST uyvesant 9 789 (1947-1948) (See Note 1)
5 475 Manhattan GRA mercy 472 December 1930 ANC
7 477 Manhattan New Early 1931 ANC
TO mpkins Square 6 766 Early 1937
GR anite 1 471 Queens New (1950-1957) Unknown Post-1960
4 474 Queens New (1950-1957) Unknown Post-1960
GR eenpoint 9 479 Brooklyn GRE enpoint 473 December 1930 Unknown December 1931
HA - 7 427 Manhattan New 1960 (see Note 15) ANC
HA ddingway 3 423 Brooklyn HAD dingway 423 December 1930 PR esident 4 774 Late 1934 (See Note 9)
JE fferson 3 533
HA lifax 5 425 Bronx HAL ifax 425 December 1930 KI ngsbridge 3 543 Early 1939
HA nover 2 422 Manhattan HAN over 426 December 1930 ANC
HA rlem 7 427 Manhattan HAR lem 427 December 1930 See the Irregular Changes Table Early 1939
HA vemeyer 4 424 Queens HAV emeyer 428 December 1930 ANC
6 426 Queens New Pre-1957 (1950) Unknown Post-1960
9 429 Queens New Early 1931 ANC
FL int 4 354 Early 1931
HE geman 3 433 Brooklyn HEG eman 434 December 1930 Unknown (1957-1959)
HI ckory 1 441 Queens New (1950-1957) Unknown Post-1960
3 443 Brooklyn New (1950-1957) Unknown Post-1960
4 444 Brooklyn New (1950-1957) Unknown Post-1960
5 445 Queens New (1950-1957) Unknown Post-1960
6 446 Queens New (1936-1950) Unknown Post-1960
9 449 Brooklyn New (1950-1957) Unknown Post-1960
HI nkley 6 446 Queens HIN kley 446 December 1930 Unknown (1936-1950)
HI tchcock 4 444 Manhattan HIT chcock 448 December 1930 See the Irregular Changes Table October 1931
HO llis 4 464 Queens New Pre-1957 (1950) Unknown Post-1960
5 465 Queens HOL lis 465 December 1930 ANC
8 468 Queens New Pre-1957 (1950) Unknown Post-1960
HO neywood 6 466 Staten Island Honeywood ND December 1930 YU kon 4 984 (1959-1960)
HU guenot 4 484 Brooklyn HUG uenot 484 December 1930 See the Irregular Changes Table (1935-1936)
HU nters Point 6 486 Queens HUN ters Point 486 December 1930 See the Irregular Changes Table November 1931
HY acinth 1 491 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 492 Brooklyn New 1947 Unknown Post-1960
3 493 Brooklyn New Early 1949 Unknown Post-1960
4 494 Brooklyn New Early 1948 Unknown Post-1960
5 495 Brooklyn New Pre-1957 (1950) Unknown Post-1960
6 496 Brooklyn New Late 1949 Unknown Post-1960
7 497 Brooklyn New Mid-1948 Unknown Post-1960
8 498 Brooklyn New Early 1948 Unknown Post-1960
9 499 Brooklyn New Pre-1957 (1950) Unknown Post-1960
IL linois 7 457 Queens New Pre-1957 (1950) Unknown Post-1960
8 458 Queens New Pre-1957 (1950) Unknown Post-1960
9 459 Queens New Pre-1957 (1950) Unknown Post-1960
IN dependence 1 461 Queens New (1950-1957) Unknown Post-1960
3 463 Queens IND ependence 463 December 1930 ANC
IN gersoll 2 462 Brooklyn ING ersoll 464 December 1930 ANC
7 467 Brooklyn New Pre-1957 (1950) Unknown Post-1960
9 469 Brooklyn New Pre-1957 (1950) Unknown Post-1960
IN tervale 9 469 Bronx INT ervale 468 December 1930 See the Irregular Changes Table Early 1939
IR onsides 6 476 Queens IRO nsides 476 December 1930 Unknown (1950-1955)
IV anhoe 2 482 Queens IVA nhoe 482 December 1930 FL ushing 7 357 Early 1934
JA ckson 1 521 Brooklyn New Pre-1957 Unknown Post-1960
2 522 Brooklyn New Pre-1957 Unknown Post-1960
JA maica 3 523 Queens New Pre-1957 (1950) Unknown Post-1960
6 526 Queens JAM aica 526 December 1930 ANC
9 529 Queens New Late 1931 Unknown Post-1960
JE fferson 3 533 Brooklyn JEF ferson 533 December 1930 GL enmore 2 452 1947
JE rome 6 536 Bronx New Early 1932 Unknown Post-1960
BI ngham 6 246 Early 1933
7 537 Bronx JER ome 537 December 1930 Unknown Post-1960
8 538 Bronx New Mid-1937 Unknown Post-1960
JO hn 4 564 Manhattan JOH n 564 December 1930 See the Irregular Changes Table Late 1939
JU dson 2 582 Manhattan New (1948-1949) (See Note 16) Unknown Post-1960
6 586 Manhattan New (1948-1949) Unknown Post-1960
JU niper 5 585 Queens JUN iper 586 December 1930 Unknown (1936-1950)
KE llog (See Note 17) 5 535 Bronx KEL log 535 December 1930 See the Irregular Changes Table Mid-1932
KI lpatrick 2 542 Bronx New (1949-1950) ANC
5 545 Bronx KIL patrick 545 December 1930 See the Irregular Changes Table Early 1941
KI ngsbridge 3 543 Bronx New Mid-1938 Unknown Post-1960
HA lifax 5 425 Early 1939
6 546 Bronx KIN gsbridge 546 December 1930 Unknown Post-1960
7 547 Bronx New Early 1948 Unknown Post-1960
8 548 Bronx New Pre-1957 (1950) Unknown Post-1960
9 549 Bronx New Mid-1936 Unknown Post-1960
LA ckawanna 4 524 Manhattan LAC kawanna 522 December 1930 Unknown Post-1960
LA fayette 3 523 Brooklyn LAF ayette 523 December 1930 See the Irregular Changes Table Early 1935
LA urelton 5 525 Queens New Pre-1957 (1950) Unknown Post-1960
7 527 Queens New Pre-1957 (1950) Unknown Post-1960
8 528 Queens LAU relton 528 December 1930 ANC
LE high 4 534 Manhattan LEH igh 534 December 1930 ANC
5 535 Manhattan New (1950-1957) Unknown Post-1960
LE nox 9 539 Queens New (1950-1957) Unknown Post-1960
LE xington 2 532 Manhattan LEX ington 539 December 1930 ANC
MO hawk 4 664 (1947-1948)
LI feguard 3 543 Brooklyn LIF eguard 543 December 1930 Unknown Mid-1933
LI ggett 4 544 Queens New (1936-1950) Unknown Post-1960
LI verpool 8 548 Bronx New December 1930 (See Note 3) OL inville 5 655 Early 1931
LL - 6 556 Manhattan New ca. 1960 Unknown Post-1960
LO ngacre 3 563 Manhattan New Early 1931 (See Note 18) Unknown October 1931 (See Note 18)
New Late 1936 (See Note 18) ANC
ME dallion 3 633 (1947-1948)
4 564 Manhattan New (1947-1948) Unknown Post-1960
5 565 Manhattan LON gacre 566 December 1930 ANC
LO rraine 2 562 Manhattan (see Note 19) MA rble 7 627 Mid-1945 ANC
7 567 Manhattan LOR raine 567 December 1930 ANC
8 568 Manhattan New (1947-1948) Unknown Post-1960
9 569 Manhattan New (Late 1940) Unknown Post-1960
LO uisiana 9 569 Brooklyn LOU isiana 568 December 1930 See the Irregular Changes Table Early 1933 (See Note 5)
LU dlow 3 583 Bronx New Early 1946 Unknown Post-1960
4 584 Bronx LUD low 583 December 1930 See the Irregular Changes Table Early 1937
New Early 1947 ANC
5 585 Bronx New Pre-1957 (1950) Unknown Post-1960
7 587 Bronx New Early 1931 Unknown Post-1960
AL legheny 5 255 Early 1933
8 588 Bronx New Mid-1946 Unknown Post-1960
9 589 Bronx New Mid-1946 Unknown Post-1960
LU xemburg 2 582 Manhattan New (1947-1948) (See Note 16) Unknown Pre-1957
8 588 Queens LUX emburg 589 December 1930 Unknown (1936-1950)
LY ceum 5 595 Manhattan New (1950-1957) Unknown Post-1960
6 596 Manhattan New (1950-1957) Unknown ca. 1958
MA in 2 622 Brooklyn New Early 1931 ANC
4 624 Brooklyn MAI n 624 December 1930 ANC
5 625 Brooklyn New (1937-1940) Unknown Post-1960
CU mberland 6 286 (1947)
MA nsfield 6 626 Brooklyn MAN sfield 626 December 1930 GE dney 4 434 1947
MA rble 7 627 Manhattan (see Note 19) MAR ble 627 December 1930 LO rraine 2 562 Mid-1945
MA yflower 9 629 Brooklyn MAY flower 629 December 1930 Unknown (1937-1940)
ME dallion 3 633 Manhattan MED allion 633 December 1930 LO ngacre 3 563 (1947-1948)
ME lrose 5 635 Bronx MEL rose 635 December 1930 Unknown Post-1960
ME ridian 7 637 Time announcement MER idian 637 December 1930 Unknown Post-1960
MI chigan 1 641 Queens New (1950-1957) Unknown Post-1960
2 642 Queens MIC higan 642 December 1930 Unknown Post-1960
MI dway 7 647 Brooklyn New (1950-1957) Unknown Post-1960
MI dwood 8 648 Brooklyn MID wood 643 December 1930 ES planade 7 (see Note 20) 377 Early 1936
MI nnesota 9 649 Brooklyn MIN nesota 646 December 1930 DI ckens 6 346 Late 1940
MI ssouri 7 647 Queens MIS souri 647 December 1930 Unknown (1936-1950)
MO hawk 4 664 Manhattan MOH awk (See Note 21) 664 December 1930 LE xington 2 532 (1947-1948)
MO nument 2 662 Manhattan MON ument 666 December 1930 ANC
CA thedral 8 228 (1947-1948)
3 663 Manhattan New (1947-1948) Unknown Post-1960
6 666 Manhattan New 1948 Unknown Post-1960
MO tt Haven 5 665 Bronx New (1949-1950) Unknown Post-1960
9 669 Bronx MOT t Haven 668 December 1930 Unknown Post-1960
MU rray Hill 2 682 Manhattan MUR ray Hill 687 December 1930 ANC
3 683 Manhattan New Late 1936 Unknown Post-1960
AS hland 4 274 (1946-1947) (See Note 1)
4 684 Manhattan New Early 1931 ANC
BO gardus 4 264 (Early 1940)
5 685 Manhattan New (1935-1936) Unknown Post-1960
CA ledonia 5 225 (1947-1948)
6 686 Manhattan New Late 1934 Unknown Post-1960
7 687 Manhattan New (1945-1946) Unknown Post-1960
8 688 Manhattan New (1946-1947) Unknown Post-1960
9 689 Manhattan New Late 1937 Unknown Post-1960
varre 8 628 Brooklyn NAV arre 628 December 1930 DE wey 8 338 ca. 1959
NE ptune 4 634 Queens New (1936-1950) Unknown Post-1960
NE vins 8 638 Brooklyn NEV ins 638 December 1930 ANC
NE wtown 9 639 Queens NEW town 639 December 1930 ANC
NI ghtingale 4 644 Brooklyn NIG htingale 644 December 1930 Unknown Pre-1957
5 645 Brooklyn New Early 1946 Unknown Post-1960
6 646 Brooklyn New Late 1946 Unknown Post-1960
DE wey 6 336 1947
8 648 Brooklyn New 1947 Unknown Post-1960
9 649 Brooklyn New 1947 Unknown Post-1960
OL inville 2 652 Bronx OLI nville 654 December 1930 ANC
3 653 Bronx New Pre-1957 (1950) Unknown Post-1960
4 654 Bronx New Early 1943 Unknown Post-1960
5 655 Bronx LI verpool 8 548 Early 1931 ANC
OL inville 7 657 Early 1948
7 654 Bronx New Mid-1937 OL inville 5 655 Early 1948
OL ympia 1 651 Queens New Pre-1957 (1950) Unknown Post-1960
6 656 Queens New Pre-1957 (1950) Unknown Post-1960
7 657 Queens New Pre-1957 (1950) Unknown Post-1960
8 658 Queens New Pre-1957 (1950) Unknown Post-1960
9 659 Queens New Pre-1957 (1950) Unknown Post-1960
OR chard 4 674 Manhattan ORC hard 672 December 1930 OR egon 4 674 See Note 22
7 677 Manhattan New Late 1936 See the Irregular Changes Table Late 1939
OR egon 3 673 Manhattan New (1947-1948) Unknown Post-1960
4 674 Manhattan OR chard 4 674 (1947-1948) (See Note 22) ANC
5 675 Manhattan New 1948 Unknown Post-1960
7 677 Manhattan New (1948-1949) Unknown Post-1960
9 679 Manhattan New 1948 Unknown Post-1960
OX ford 5 695 Manhattan New (1950-1957) Unknown Post-1960
7 697 Manhattan New (1950-1957) Unknown Post-1960
PE nnsylvania 6 736 Manhattan PEN nsylvania 736 December 1930 ANC
PE terboro 8 738 Brooklyn PET erboro 738 December 1930 See the Irregular Changes Table Mid-1932(See Note 23)
PL aza 1 751 Manhattan New Pre-1957 (1950) Unknown Post-1960
2 752 Manhattan New ca. 1958 Unknown Post-1960
3 753 Manhattan PLA za 752 December 1930 ANC
4 754 Manhattan New Pre-1957 (1950) Unknown Post-1960
5 755 Manhattan New Late 1936 Unknown Post-1960
WI ckersham 2 942 (1947-1948)
7 757 Manhattan New (1947-1948) Unknown Post-1960
8 758 Manhattan New Late 1936 Unknown Post-1960
9 759 Manhattan New Early 1941 Unknown Post-1960
PO meroy 6 766 Queens POM eroy 766 December 1930 See the Irregular Changes Table Early 1933
PO rt Richmond 7 767 Staten Island Port Richmond ND December 1930 GIbraltar 8? (1947-1948)
PR esident 1 771 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 772 Brooklyn New (1937-1940) Unknown Post-1960
3 773 Brooklyn PRE sident 773 December 1930 ANC
4 774 Brooklyn New (See Note 24) Early 1933 Unknown Mid-1933
HA ddingway 3 423 Late 1934 Unknown Post-1960
DE catur 2 942
8 778 Brooklyn New 1947 Unknown Post-1960
PR ospect 9 779 Brooklyn PRO spect 776 December 1930 Unknown (1937-1940)
PU laski 5 785 Brooklyn PUL aski 785 December 1930 Unknown (1937-1940)
RA venswood 1 721 Queens New Pre-1957 (1950) Unknown Post-1960
6 726 Queens New Pre-1957 (1950) Unknown Post-1960
8 728 Queens RAV enswood 728 December 1930 ANC
9 729 Queens New Pre-1957 (1950) Unknown Post-1960
RA ymond 9 729 Bronx RAY mond 729 December 1930 FO rdham 7 367 Early 1947
RE ctor 2 732 Manhattan REC tor 732 December 1930 ANC
RE gent 4 734 Manhattan REG ent 734 December 1930 ANC
7 737 Manhattan New (1935-1936) Unknown Post-1960
RE public 9 739 Queens REP ublic 737 December 1930 ANC
RH inelander 4 744 Manhattan RHI nelander 744 December 1930 ANC
RI chmond Hill 2 742 Queens RIC hmond Hill 742 December 1930 Unknown (1936-1950)
RI verside 9 749 Manhattan RIV erside 748 December 1930 ANC
SA cramento 2 722 Manhattan SAC ramento 722 December 1930 ANC
SA int George 7 727 Staten Island Saint George ND December 1930 ANC
SC huyler 4 724 Manhattan SCH uyler 724 December 1930 ANC
SE dgwick 3 733 Bronx SED gwick 733 December 1930 ANC
SH eepshead 3 743 Brooklyn SHE epshead 743 December 1930 ANC
SH ore Road 5 745 Brooklyn New Early 1931 ANC
CL overdale 6 256 (1935-1936)
6 746 Brooklyn SHO re Road 746 December 1930 See the Irregular Changes Table Early 1934
8 748 Brooklyn New Early 1932 Unknown Post-1960
SK idmore 4 754 Brooklyn SKI dmore 754 December 1930 CL overdale 7 257 Late 1946 (See Note 8)
SL ocum 6 756 Brooklyn SLO cum 756 December 1930 ANC
SO uth 8 768 Brooklyn SOU th 768 December 1930 ANC
SP ring 7 777 Manhattan SPR ing 777 December 1930 ANC
SP ruce 6 776 Queens New (1950-1957) Unknown Post-1960
ST agg 2 782 Brooklyn STA gg 782 December 1930 ANC
ST erling 3 783 Brooklyn STE rling 783 December 1930 ANC
8 788 Brooklyn New (1937-1940) Unknown Post-1960
9 789 Brooklyn New Mid-1948 Unknown Post-1960
ST illwell 4 784 Queens STI llwell 784 December 1930 ANC
6 786 Queens New (1936-1950) Unknown Post-1960
ST uyvesant 9 789 Manhattan STU yvesant 788 December 1930 GR amercy 3 473 (1947-1948) (See Note 1)
SU nset 6 786 Brooklyn SUN set 786 December 1930 Unknown (1937-1940)
SU squehanna 7 787 Manhattan SUS quehanna 787 December 1930 ANC
SW inburne 4 794 Manhattan New (1950-1957) Unknown Post-1960
5 795 Manhattan New (1950-1957) Unknown Post-1960
SY camore 2 792 Bronx New (1950-1957) Unknown Post-1960
TA lmadge 2 822 Bronx New Early 1932 Unknown Post-1960
3 823 Bronx New Mid-1946 Unknown Post-1960
4 824 Bronx New ca. 1958 Unknown Post-1960
5 825 Bronx TAL madge 825 December 1930 See the Irregular Changes Table Early 1932
8 828 Bronx New Early 1948 Unknown Post-1960
9 829 Bronx New Early 1938 Unknown Post-1960
WE stchester 7 937 Early 1947
TA ylor 7 827 Brooklyn New Late 1945 Unknown Post-1960
AP plegate 6 276 Mid-1948
TE mpleton 1 831 Manhattan New (1950-1957) Unknown Post-1960
2 832 Manhattan New (1950-1957) Unknown Post-1960
8 838 Manhattan New (1947-1948) Unknown Post-1960
TE rrace 3 833 Brooklyn New (1950-1957) Unknown Post-1960
6 836 Brooklyn New 1947 Unknown Post-1960
7 837 Brooklyn New (1950-1957) Unknown Post-1960
9 839 Brooklyn New (1950-1957) Unknown Post-1960
TI llinghast 5 845 Manhattan TIL linghast 845 December 1930 See the Irregular Changes Table Early 1939
TI voli 1 841 Bronx New (1950-1957) Unknown Post-1960
2 842 Bronx TIV oli 848 December 1930 ANC
TO mpkins 2 862 Manhattan New (1950-1955) Unknown Post-1960
7 867 Manhattan New ca. 1950 Unknown ca. 1958
TO mpkins Square 6 866 Manhattan TOM pkins Square 866 December 1930 GR amercy 7 477 Early 1937
TO pping 2 862 Bronx TOP ping 867 December 1930 Unknown (1940-1950)
TO ttenville 8 868 Staten Island Tottenville ND December 1930 YU kon 4 984 ca. 1958
TR afalgar 3 873 Manhattan New (1946-1947) Unknown Post-1960
4 874 Manhattan New Late 1936 Unknown Post-1960
6 876 Manhattan New (1947-1948) Unknown Post-1960
7 877 Manhattan TRA falgar 872 December 1930 ANC
9 879 Manhattan New (1947-1948) Unknown Post-1960
TR emont 2 872 Bronx New Early 1934 Unknown Post-1960
3 873 Bronx TRE mont 873 December 1930 See the Irregular Changes Table Late 1934
8 878 Bronx New Early 1934 Unknown Post-1960
FO undation 8 368 Mid-1938
TR iangle 1 871 Brooklyn New ca. 1956 Unknown Post-1960
5 875 Brooklyn TRI angle 874 December 1930 ANC
6 876 Brooklyn New ca. 1956 (see Note 25) Unknown ca. 1958 (see Note 25)
TT - 5 885 Bronx CI ty Island 8 248 1960 (see Note 7) Unknown Post-1960
TU lip 1 881 Bronx New (1950-1957) Unknown Post-1960
2 882 Bronx New (1950-1957) Unknown Post-1960
5 885 Bronx See Note 7
TU rnbull 7 887 Bronx New (1950-1957) Unknown Post-1960
TW ining 1 891 Queens (see Note 26) New Pre-1957 (1950) Unknown Post-1957
891 Brooklyn (see Note 26) New Pre-1959 Unknown Post-1960
4 894 Queens New Pre-1957 (1950) Unknown Post-1960
6 896 Queens New Pre-1957 (1950) Unknown Post-1960
7 897 Queens New Pre-1957 (1950) Unknown Post-1960
8 898 Queens New Pre-1957 (1950) Unknown Post-1960
9 899 Queens New Pre-1957 (1950) Unknown Post-1960
TY rone 2 892 Bronx New (1940-1950) Unknown Post-1960
3 893 Bronx New Late 1948 Unknown Post-1960
UL ster 1 851 Brooklyn New Pre-1957 (1950) Unknown Post-1960
2 852 Brooklyn New Mid-1948 Unknown Post-1960
3 853 Brooklyn New 1947 Unknown Post-1960
4 854 Brooklyn New Early 1949 Unknown Post-1960
5 855 Brooklyn New 1947 Unknown Post-1960
6 856 Brooklyn New 1947 Unknown Post-1960
7 857 Brooklyn New 1947 Unknown Post-1960
8 858 Brooklyn New Pre-1957 (1950) Unknown Post-1960
9 859 Brooklyn New 1947 Unknown Post-1960
UN derhill 3 863 Bronx UND erhill 863 December 1930 ANC
7 867 Bronx New Late 1931 (See Note 27) Unknown Early 1932 (See Note 27)
UN iversity 1 861 Manhattan New ca. 1958 Unknown Post-1960
4 864 Manhattan UNI versity 864 December 1930 ANC
AC ademy 4 224 (1946-1947) (See Note 1)
5 865 Manhattan New (1950-1957) Unknown Post-1960
6 866 Manhattan New (1950-1957) Unknown Post-1960
UT recht 6 886 Brooklyn UTR echt 887 December 1930 See the Irregular Changes Table Early 1933 (See Note 5)
VA nderbilt 3 823 Manhattan VAN derbilt 826 December 1930 See the Irregular Changes Table Early 1939
6 826 Manhattan New Late 1938 MU rray Hill 7 687 ca. 1956
VA ndyke 1 821 Brooklyn New (1950-1957) Unknown Post-1960
VI gilant 4 844 Queens VIG ilant 844 December 1930 Unknown (1936-1950)
VI rginia 3 843 Queens New Early 1931 ANC
5 845 Queens New Pre-1957 (1950) Unknown Post-1960
6 846 Queens New Pre-1957 (1950) Unknown Post-1960
7 847 Queens VIR ginia 847 December 1930 ANC
8 848 Queens New Pre-1957 (1950) Unknown Post-1960
9 849 Queens New Pre-1957 (1950) Unknown Post-1960
VO lunteer 5 865 Manhattan VOL unteer 865 December 1930 EL dorado 5 355 Late 1949
WA dsworth 3 923 Manhattan WAD sworth 923 December 1930 ANC
6 926 Manhattan ED gecombe 4 334 (1946-1947) (See Note 1) Unknown Post-1960
7 927 Manhattan WA shington Heights 7 927 Early 1935 (See Note 22) ANC
8 928 Manhattan New Early 1935 Unknown Post-1960
WA lker 5 925 Manhattan WAL ker 925 December 1930 ANC
WA shington Heights 7 927 Manhattan WAS hington Heights 927 December 1930 WA dsworth 7 927 See Note 22
WA tkins 4 924 Manhattan New (1946-1947) Unknown Post-1960
9 929 Manhattan WAT kins 928 December 1930 ANC
WE ather 6 936 Weather announcement New Pre-1939 Unknown Post-1960
WE llington 3 933 Bronx New (1950-1957) Unknown Post-1960
WE stchester 7 937 Bronx WES tchester 937 December 1930 TA lmadge 9 829 Early 1947
WH itehall 3 943 Manhattan New Late 1936 Unknown Post-1960
4 944 Manhattan New December 1930 (See Note 3) Unknown Post-1960
AN drews 3 263 Early 1937
WI ckersham 2 942 Manhattan WIC kersham 942 December 1930 PL aza 5 755 (1947-1948)
WI lliams 2 942 Manhattan New ca. 1950 Unknown Post-1960
WI lliamsburg 5 945 Brooklyn WIL liamsburg 945 December 1930 Unknown Early 1934
WI ndsor 5 945 Brooklyn New (1937-1940) GE dney 5 435 1947 (See Note 12)
6 946 Brooklyn WIN dsor 946 December 1930 GE dney 6 436 1947 (See Note 12)
8 948 Brooklyn New Mid-1932 GE dney 8 438 1947 (See Note 12)
9 949 Brooklyn New (1937-1940) GE dney 9 439 1947 (See Note 12)
WI sconsin 7 947 Manhattan WIS consin 947 December 1930 ANC
WO rth 2 962 Manhattan WOR th 967 December 1930 ANC
4 964 Manhattan New (1941-1942) Unknown Post-1960
6 966 Manhattan New Pre-1957 (1950) Unknown Post-1960
WY andotte 1 991 Bronx New (1950-1957) Unknown Post-1960
2 992 Bronx New (1950-1957) Unknown Post-1960
3 993 Bronx New (1950-1957) Unknown Post-1960
YE llowstone 2 932 Queens New (1950-1957) Unknown Post-1960
YU kon 1 981 Staten Island New (1957-1958) Unknown Post-1960
2 982 Manhattan New (1950-1957) Unknown Post-1960
4 984 Staten Island HO neywood 6 466 (1957-1958) Unknown Post-1960
TO ttenville 8 868 (1957-1958)
5 985 Manhattan New (1950-1957) Unknown Post-1960
6 986 Manhattan New (1950-1957) Unknown Post-1960
7 987 Staten Island New (1957-1958) Unknown Post-1960
8 988 Manhattan New (1950-1957) Unknown Post-1960
9 989 Manhattan New ca. 1958 Unknown Post-1960

NOTE ON DATES: When "Early 1931" is shown for a date, the start of service could possibly have coincided with the December 1930 change to two-letter exchanges, but all that is actually known is that it was between that date and May 1931.

Dates shown as "Pre-" and a year mean that the start (or end) of service took place after May 1931 and before the specified year, but no better information is known to me. For some exchange names, it is known that some prefixes were initiated after 1936 and before 1950, or between 1950 and 1955, but because data prior to 1957 are insufficiently detailed, it is unknown which numeric prefixes. In such cases, only "Pre-1957" can be shown with confidence, but a parenthesized "(1950)" or "(1955)" will be included to show that it is believed, but not certain, that the prefix existed prior to the specified parenthesized date.

Dates shown as "Post-" and a year mean that the start (or end) of service took place after the specified year and before the transition to all-number calling, but no better information is known to me.

Dates shown as a pair of years in parentheses, separated by a hyphen, mean that the start (or end) of service took place no earlier than the first named year, and no later than the second named year, but no better information is known to me.

NOTE 1: The list of exchanges and business offices that was used as a source for the chronology table implied that the ACademy 4, AShland 4, and EDgecombe 4 exchanges were discontinued in the 1947-1948 period; however all ACademy 4, AShland 4, and EDgecombe 4 telephones listed in the Winter-Spring 1947 directory were changed to UNiversity 4, MUrray Hill 3, and WAdsworth 6 numbers (respectively) by the September 1947 directory, implying that the changes should be given as taking place in the 1946-1947 period. The earlier date will be shown because it appears to be the correct end date for these exchanges, despite the entries in the business office list. A slightly different situation applies to the change from STuyvesant 9 to GRamercy 3. Again the list used to build the chronology table implied that the STuyvesant 9 exchange was discontinued in the 1947-1948 period; in this case many STuyvesant 9 telephones listed in the Winter-Spring 1947 directory were changed to GRamercy 3 numbers by the September 1947 directory, but not all, and the change was apparently only completed by the May 1948 directory, so that the 1947-1948 date is apparently correct, but the change had begun earlier and spread over some time. In this case, the later date will be kept here.

NOTE 2: The ADIrondack and FOUndation exchanges were located in the Bronx at the time of the December 1930 conversion to two-letter names ADirondack 4 and FOundation 8. Those exchanges eventually were closed, but new exchanges named identically were established in Manhattan.

NOTE 3: Hugh Hamilton's list shows GIbraltar 2 as a carry-over from the earlier series, and only GIbraltar 7 as new in Early 1931. However, in fact GIbraltar 2 was newly created in December 1930, though GIbraltar 7 was in fact created in mid-1931. His list also shows ALlegheny 5 as a carry-over, although there is no sign of this exchange as present in the early dial period directories. On the other hand, neither FItzroy 8, FLint 4, LIverpool 8, nor WHitehall 4 is shown in Hugh Hamilton's list, but they are shown in the Winter 1930-1931 directory. (At least in the case of ALlegheny 5 and LIverpool 8, the exchanges appear to have been started at approximately the same time as the December 1930 switch to 2L-5N dialing.)

NOTE 4: The situation regarding BRowning exchanges is very confused. A 1955 directory shows BRowning 2 in Westchester County, but in a 1957 directory it is shown in Brooklyn. In 1959 it is also shown in Brooklyn, but in a different zone. This zone is also shown for Browning 2 in subsequent directories dated 1960 and later. The 1959 directory also shows BRowning 5 and 6, in Queens, but a 1960 directory does not show BRowning 6, and puts BRowning 5 in a different Queens zone. In addition, the 1960 durectory shows an AR 5 exchange, which would conflict with BRowning 5. What can only be concluded is that the listings in these directories reflected planned new exchanges, not actual ones in service. BRowning 2 may not have actually been implemented until after 1957, BRowning 5 (if at all; see the listing for TUlip 5 in Note 6) till after 1959, and BRowning 6 not at all.

NOTE 5: The ARlington 5, BErkshire 7, LOuisiana 9, and UTrecht 6 exchanges are listed in the Z lists in the Summer 1933 directories for Manhattan and the Bronx, but not for Brooklyn (the borough where they were located). The Summer 1933 Brooklyn directory copy which I examined was defective, and the B list was missing, but it actually contained no ARlington 5, BErkshire 7, LOuisiana 9, or UTrecht 6 numbers that I could find. Also, ARlington 5, BErkshire 7, LOuisiana 9, and UTrecht 6 numbers in the Winter 1932-1933 directory were all (as far as could be determined) changed to BEachview 2, WIndsor 8, DIckens 2, and BEachview 2 numbers (respectively) by the Summer 1933 directory. (In the case of ARlington 5 and UTrecht 6, some small number of telephone numbers were changed to BEnsonhurst 6, but they were most commonly changed to BEachview 2.)Thus the early 1933 date would appear to be more correct than the mid-1933 date, despite the Z lists for Manhattan and the Bronx.

NOTE 6: The B list in the Manhattan directory dated May 1948 indicates the discontinuance of the CAthedral 8 exchange. And in fact, nearly all telephone numbers which had been in this exchange were converted to MOnument 2 telephones in that directory. But the subscriber listings continue to show a very small number of CAthedral 8 numbers (I have spotted two in a selection of a few dozen pages of the May 1948 Manhattan directory.)

NOTE 7: A 1959 telephone directory that I have seen shows a TUlip 5 exchange in the North Bronx. This would have the numeric equivalent of 885, exactly the same as the TT5 exchange started in 1960 in the same North Bronx zone. It is impossible that both could be in existence at the same time, so my suspicion is that the telephone company had planned, at the time the 1959 directory was printed, to introduce TUlip 5, and so put it in the zone list of exchanges for the benefit of customers who might have had to call numbers in that exchange while the 1960 directory had not yet come out, but by the time the exchange was opened, they named it TT5. This is simply speculation on my part, however. The fact that the telephone company predicted changes in advance is also shown by the fact that the 1960 directory shows both CIty Island 8 and TT5. This would indicate that the directory was printed when the exchange was still CIty Island 8, but the table listed TT5 so that subscribers could find TT5 in the table to compute their charges after the exchange was renamed.

NOTE 8: The list of exchanges and business offices that was used as a source for the chronology table implied that the SKidmore 4 exchange was discontinued in the 1947-1948 period; however all SKidmore 4 telephones listed in the Fall-Winter 1946 directory were changed to CLoverdale 7 numbers by the Spring-Summer 1947 directory, implying that the changes should be given as taking place in the late 1946 period. The earlier date will be shown because it appears to be the correct end date for these exchanges, despite the entries in the business office list.

NOTE 9: Nearly all HAddingway 3 telephones were changed to the same-numbered line in the PResident 4 exchange, but at least one listing was changed to the same-numbered line in JEfferson 3, and at least one was changed irregularly to a JEfferson 3 number. For DEcatur 2, however, most changes seem to be irregulaly to GLenmore 5 numbers, but at least one was changed to the same-numbered line in the PResident 4 exchange. It should also be noted that the DEcatur 2 and HAddingway 3 exchanges are still shown in the Z list of the Manhattan directory dated Winter 1934-35. (Other boroughs have not yet been checked.) However, they are absent from the B list of the Brooklyn directory, and all subscriber listings in that directory seem to have been changed to other numbers by that time.

NOTE 10: I have been informed by Anthony J. Brancato that the DOngan Hills 1 and 6 exchanges were converted to ELgin 1 in 1955-1956. However, a 1955 telephone directory Z list shows both DOngan Hills and ELgin 1 exchanges. Possibly, the conversion was in progress in 1955 when the directory came out.

NOTE 11: The FItzroy 8 and FLint 4 exchanges continued to be listed in some of the listings in the Summer 1931 directory, but not in other lists of exchanges (see details on the chronology page). Searching the subscriber listings, however, all subscribers whose telephones were shown as FItzroy 8 or FLint 4 in the Winter 1930-1931 directory had been changed by the Summer 1931 directory. The "Early 1931" entries for these two exchanges in the table reflect this.

NOTE 12: Some sources state that WIndsor exchanges were replaced by ULster exchanges rather than by GEdney exchanges, though the latter was confirmed by my own investigations. It is possible that some conversions to ULster exchanges existed, but I have not found any after a large number of subscriber listings have been examined. I suspect that the confusion was engendered by the fact that a large number of ULster exchanges were begun at the same time the WIndsor exchanges were changed, although no ULster number that I have checked was a conversion of a WIndsor number.

NOTE 13: The Winter 1932-1933 Brooklyn directory does not show GEttysburg 9 in its Z list, which would imply an ending date in mid-1932. However, there are still a number of listings with that exchange name in the directory proper, implying that early 1933 is the correct ending date.

NOTE 14: Hugh Hamilton's table shows the GLEnmore exchange as changed to GLenmore 3 in 1930. Actual directory listings show it as GLenmore 4.

NOTE 15: While this exchange was in approximately the same area as the earlier HArlem 7, it never had any designation as anything but HA 7, coming after the end of words being used for exchanges.

NOTE 16: The directory dated May 1948 (corrected to March 9, 1948) shows a new LUxemburg 2 exchange. The July 1949 (corrected to April 25, 1949) directory also includes a new JUdson 2 exchange, which would be dialed as an identical 582. Apparently the 582 exchange was introduced with the name LUxemburg 2 in the 1947-1948 period, but the name was locally disliked and was changed to JUdson 2, but already-issued LUxemburg 2 numbers were not immediately changed.

NOTE 17: The exchange name was spelled with only one "g" in all Telephone Company directories.

NOTE 18: A listing is given for LOngacre 3 in the Summer 1931 directory, but it is not in all lists in that one and the Winter 1931- 1932 directory and gone from all other lists by the Summer 1932 directory. The exchange resumes in the Winter 1936-1937 directory. More investigation is necessary.

NOTE 19: Both the MArble 7 exchange and the LOrraine 2 exchange, which replaced it in 1945, were based in the Marble Hill neighborhood of Manhattan, but some subscribers over the line in the Bronx were given numbers in these exchanges. Subscribers were listed in both boroughs' directories, and both directories included these exchanges in the lists of business offices serving the borough. The exchanges were assigned to business offices in the Bronx, and the telephone company considered them to be Bronx exchanges, to the extent that, when the 212 area code was split in the 1990s, the 562 exchange (LOrraine 2 under ANC) became part of area code 718.

NOTE 20: Nearly all MIdwood 8 numbers appear to have been changed regularly to ESplanade 7 numbers; however, it appears that the Telephone Company took advantage of this change to eliminate 2L-6N numbers and change the last five digits to a 4-digit format.

NOTE 21: The listing of Manhattan exchanges and their business offices in the Summer 1930 directory does not show a MOHawk exchange; the listings of all exchanges in the city and their zones that are in all four borough directories that could be consulted show it. (The copy of the Brooklyn directory that I could see was unfortunately missing the appropriate pages.) I have not been able to find any actual listings of numbers in the MOHawk exchange in the Summer 1930 directory, and all MOhawk 4 numbers I have found in the Winter 1930-31 directory are shown in the LEXington exchange in Summer 1930 (usually, but not always, with the same line number). It is likely that the MOHawk exchange was planned, but not yet opened, at the time of compiling the Summer 1930 directory, but it cannot be determined whether the telephones in the LEXington exchange that became MOhawk 4 in the Winter 1930-31 directory had actually been converted to MOHawk before December 1930 or were directly converted to MOhawk 4 at the time of the December switch.

NOTE 22: The changes from ORchard 4 to ORegon 4, and from WAshington Heights 7 to WAdsworth 7, were not made at one single time. It would seem that new telephones were assigned the new name, but old telephones were not immediately changed, and directories from 1939 to 1957 showed both ORchard and ORegon 4, and as early as 1935 showed both WAshington Heights 7 and WAdsworth 7. By 1959, the change was complete.

NOTE 23: The PEterboro 8 exchange appears in the Winter 1932-1933 directories for Manhattan and the Bronx. (The copy of the Brooklyn directory for that period was defective, and neither the B nor Z list in that directory could be consulted.) However, all telephones with PEterboro 8 exchanges in the Summer 1932 directory were changed by the Winter 1932-1933 directory. Thus a mid-1932 date would appear to be more correct than the early 1933 date implied by the Manhattan and Bronx Z listings.

NOTE 24: The Z lists from the Manhattan and Bronx directories (but not the other boroughs) dated Summer 1933 show a PResident 4 exchange, which disappears by the next directory. As these do not appear in the Brooklyn directory, which would be the most appropriate one for a Brooklyn exchange, these may be in error; possibly the people responsible for these directories were notified of plans to start a PResident 4 exchange and listed it, but the exchange was not started until late 1934, when all directories show it again and actual telephones in the PResident 4 exchange are listed in the Brooklyn directory.

NOTE 25: The 1957 directory consulted shows both TRiangle 6 and TRafalgar 6. These are not likely to have both existed at the same time. Neither the 1955 nor the 1959 directory shows TRiangle 6, while TRafalgar 6 appears in both the 1959 directory and earlier ones (The 1955 directory is unclear), which probably means that the reference to TRiangle 6 in the 1957 directory is in error. Until I am certain, however, this site will show TRiangle 6 as existing in 1957, though not in 1955 or 1959. More investigation is necessary.

NOTE 26: Both the 1957 and 1959 directories show a TWining 1 exchange, but the 1957 directory has it in a Queens zone, while the 1959 directory puts it in a different zone, located in Brooklyn. A communication from Anthony DeFabritus confirms that the exchange was in fact in use in Brooklyn in the 1960s. My suspicion is that the 1957 listing is another case of a prediction, and it was listed there in the same zone where all other TWining exchanges were located; the 1959 listing reflects actual fact.

NOTE 27: The UNderhill 7 exchange was shown in the Winter 1931-1932 directories but not in any other directory before or after. It is shown here as started late 1931 and ending early 1932, but more likely it was planned but never started.



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