|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.
|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||legheny||5||255||Bronx||New||December 1930 (See Note 3)||LU||dlow||7||587||Early 1933|
|AN||drews||3||263||Manhattan||AND||rews||263||December 1930||WH||itehall||4||944||Early 1937|
|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)|
|AR||lington||5||275||Early 1933 (See Note 5)|
|BE||lle Harbor||5||235||Queens||BEL||le Harbor||235||December 1930||Unknown||Post-1950|
|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||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)|
|CA||ledonia||5||225||Manhattan||CAL||edonia||225||December 1930||MU||rray Hill||5||685||(1947-1948)|
|CA||thedral||8||228||Manhattan||CAT||hedral||228||December 1930||MO||nument||2||662||(1947-1948) (See Note 6)|
|CI||ty Island||8||248||Bronx||CIT||y Island||248||December 1930||TT||-||5||885||1960 (see Note 7)|
|6||256||Brooklyn||CLO||verdale||256||December 1930||SH||ore Road||5||745||(1935-1936)|
|SK||idmore||4||754||Late 1946 (See Note 8)|
|CO||ney Island||6||266||Brooklyn||CON||ey Island||266||December 1930||ANC|
|DA||venport||3||323||Bronx||DAV||enport||328||December 1930||See the Irregular Changes Table||Early 1932|
|DE||catur||2||332||Brooklyn||DEC||atur||332||December 1930||See the Irregular Changes Table||Late 1934 (See Note 9)|
|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||gin||1||351||Staten Island||DO||ngan Hills||1||361||(See Note 10)||Unknown||Post-1960|
|ES||tabrook||8||378||Bronx||EST||abrook||378||December 1930||See the Irregular Changes Table||Mid-1939|
|6||386||Brooklyn||New||Late 1931||See the Irregular Changes Table||Early 1934|
|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|
|9||399||NYTelCo (Manhattan)||EXC||hange||392||December 1930||Unknown||Post-1960|
|FA||r Rockaway||7||327||Queens||FAR||Rockaway||327||December 1930||ANC|
|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)|
|7||367||Bronx||FOR||dham||367||December 1930||See the Irregular Changes Table||Early 1935|
|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|
|WI||ndsor||5||945||1947 (See Note 12)|
|WI||ndsor||6||946||1947 (See Note 12)|
|WI||ndsor||8||948||1947 (See Note 12)|
|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|
|GL||enmore (See Note 14)||1||451||Brooklyn||New||Pre-1957 (1950)||Unknown||Post-1960|
|4||454||Brooklyn||GLE||nmore||453||December 1930||See the Irregular Changes Table||Early 1933|
|ST||uyvesant||9||789||(1947-1948) (See Note 1)|
|TO||mpkins Square||6||766||Early 1937|
|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)|
|HA||lifax||5||425||Bronx||HAL||ifax||425||December 1930||KI||ngsbridge||3||543||Early 1939|
|HA||rlem||7||427||Manhattan||HAR||lem||427||December 1930||See the Irregular Changes Table||Early 1939|
|HI||tchcock||4||444||Manhattan||HIT||chcock||448||December 1930||See the Irregular Changes Table||October 1931|
|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|
|IN||tervale||9||469||Bronx||INT||ervale||468||December 1930||See the Irregular Changes Table||Early 1939|
|IV||anhoe||2||482||Queens||IVA||nhoe||482||December 1930||FL||ushing||7||357||Early 1934|
|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|
|KE||llog (See Note 17)||5||535||Bronx||KEL||log||535||December 1930||See the Irregular Changes Table||Mid-1932|
|5||545||Bronx||KIL||patrick||545||December 1930||See the Irregular Changes Table||Early 1941|
|LA||fayette||3||523||Brooklyn||LAF||ayette||523||December 1930||See the Irregular Changes Table||Early 1935|
|LI||verpool||8||548||Bronx||New||December 1930 (See Note 3)||OL||inville||5||655||Early 1931|
|LO||ngacre||3||563||Manhattan||New||Early 1931 (See Note 18)||Unknown||October 1931 (See Note 18)|
|New||Late 1936 (See Note 18)||ANC|
|LO||rraine||2||562||Manhattan (see Note 19)||MA||rble||7||627||Mid-1945||ANC|
|LO||uisiana||9||569||Brooklyn||LOU||isiana||568||December 1930||See the Irregular Changes Table||Early 1933 (See Note 5)|
|4||584||Bronx||LUD||low||583||December 1930||See the Irregular Changes Table||Early 1937|
|LU||xemburg||2||582||Manhattan||New||(1947-1948) (See Note 16)||Unknown||Pre-1957|
|MA||rble||7||627||Manhattan (see Note 19)||MAR||ble||627||December 1930||LO||rraine||2||562||Mid-1945|
|ME||ridian||7||637||Time announcement||MER||idian||637||December 1930||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|
|MO||hawk||4||664||Manhattan||MOH||awk (See Note 21)||664||December 1930||LE||xington||2||532||(1947-1948)|
|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|
|AS||hland||4||274||(1946-1947) (See Note 1)|
|NA||varre||8||628||Brooklyn||NAV||arre||628||December 1930||DE||wey||8||338||ca. 1959|
|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|
|4||674||Manhattan||OR||chard||4||674||(1947-1948) (See Note 22)||ANC|
|PE||terboro||8||738||Brooklyn||PET||erboro||738||December 1930||See the Irregular Changes Table||Mid-1932(See Note 23)|
|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)|
|4||774||Brooklyn||New (See Note 24)||Early 1933||Unknown||Mid-1933|
|RA||ymond||9||729||Bronx||RAY||mond||729||December 1930||FO||rdham||7||367||Early 1947|
|RI||chmond Hill||2||742||Queens||RIC||hmond Hill||742||December 1930||Unknown||(1936-1950)|
|SA||int George||7||727||Staten Island||Saint George||ND||December 1930||ANC|
|SH||ore Road||5||745||Brooklyn||New||Early 1931||ANC|
|6||746||Brooklyn||SHO||re Road||746||December 1930||See the Irregular Changes Table||Early 1934|
|SK||idmore||4||754||Brooklyn||SKI||dmore||754||December 1930||CL||overdale||7||257||Late 1946 (See Note 8)|
|ST||uyvesant||9||789||Manhattan||STU||yvesant||788||December 1930||GR||amercy||3||473||(1947-1948) (See Note 1)|
|5||825||Bronx||TAL||madge||825||December 1930||See the Irregular Changes Table||Early 1932|
|TI||llinghast||5||845||Manhattan||TIL||linghast||845||December 1930||See the Irregular Changes Table||Early 1939|
|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||ttenville||8||868||Staten Island||Tottenville||ND||December 1930||YU||kon||4||984||ca. 1958|
|3||873||Bronx||TRE||mont||873||December 1930||See the Irregular Changes Table||Late 1934|
|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|
|5||885||Bronx||See Note 7|
|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|
|7||867||Bronx||New||Late 1931 (See Note 27)||Unknown||Early 1932 (See Note 27)|
|AC||ademy||4||224||(1946-1947) (See Note 1)|
|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|
|VO||lunteer||5||865||Manhattan||VOL||unteer||865||December 1930||EL||dorado||5||355||Late 1949|
|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|
|WA||shington Heights||7||927||Manhattan||WAS||hington Heights||927||December 1930||WA||dsworth||7||927||See Note 22|
|WE||stchester||7||937||Bronx||WES||tchester||937||December 1930||TA||lmadge||9||829||Early 1947|
|4||944||Manhattan||New||December 1930 (See Note 3)||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)|
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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Last modified November 29, 2015.