List of telephone exchanges: Difference between revisions

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This is a '''list of telephone exchanges''', the numerals preceding the hyphen in local telephone numbers. These were originally known as "office numbers", referring to the actual telephone exchange offices which served each group of lines. In [[1955]] these office numbers were replaced under the Bell system's "North American Numbering Plan". The scheme initially used names whose first two letters were followed by a numeral to form a three-digit exchange, in the form of "NNX". The individual four-digit telephone number followed. Later, one digit was added to the exchange and one removed from the individual number, keeping the total number of digits dialed for local calls at seven.
This is a '''list of telephone exchanges''', the numerals preceding the hyphen in local telephone numbers. These were originally known as "office numbers", referring to the actual telephone exchange offices which served each group of lines. In [[1955]] these office numbers were replaced under the Bell system's "North American Numbering Plan". The scheme initially used names whose first two letters (dialed as numbers 2-9) were followed by a numeral (0-9) to form a three-digit exchange, in the form of "NNX". The individual four-digit telephone number followed. Later, the form was changed to "NXX" to allow the second digit to use a 0 or 1.


==Two-letter exchanges==
==Two-letter exchanges==
* ALpine (25), [[College Hills]], [[downtown Birmingham]], [[East Lake]], [[North Birmingham]], [[Acipco]]
* ALpine (25), [[Acipco]], [[College Hills]], [[downtown Birmingham]], [[Green Springs]], [[East Lake]], [[North Birmingham]], [[Titusville]]
* HAmilton (42), [[Hueytown]], [[Bessemer]]
* ELgin (35),
* GLadstone (45), [[Trussville]]
* HAmilton (42), [[Adger]], [[Hueytown]], [[Johns]], [[Bessemer]], routed from the Bessemer central office
* HEmlock (43), [[Gardendale]]
* HEmlock (43), [[Gardendale]]
* FAirfax (32), [[downtown Birmingham]], [[Norwood]]
* FAirfax (32), [[downtown Birmingham]], [[Norwood]], routed from the main central office
* LYric (59), [[Woodlawn]]
* LYric (59), [[Avonwood]], [[Forest Park]], [[Woodlawn]], routed from the Woodlawn central office
* MIlton (64), [[Sumiton]], [[Dora]], [[Empire]], [[Walker County]]
* MIlton (64), [[Sumiton]], [[Dora]], [[Empire]], [[Walker County]]
* MOntrose (66), [[Shelby County]]
* MOntrose (66), [[Shelby County]]
* STate (78), [[Belview Heights]], [[Bush Hills]], [[Central Park]], [[Midfield]], [[Ensley]], [[Fairfield]], [[West End]]
* NOrmandy (67), [[Pinson]]
* TRemont (87), formerly "2" and "29", [[Homewood]], [[Mountain Brook]], [[Shades Mountain]]
* STate (78), [[Belview Heights]], [[Bush Hills]], [[Central Park]], [[Edgewater]], [[Ensley]], [[Fairfield]], [[Graymont]], [[McDonald's Chapel]], [[Midfield]], [[Minor]], [[Pratt City]], [[West End]]. [[Wylam]] - routed from the Ensley central office
* TRemont (87), formerly "2" and "29", [[Altadena]], [[Edgewood]], [[Homewood]], [[Mountain Brook]], [[Shades Mountain]], routed from the Homewood central office
* VAlley (82), [[Bluff Park]], [[Shades Mountain]]
* VAlley (82), [[Bluff Park]], [[Shades Mountain]]
* VErnon (83), formerly "84", [[East Lake]], [[Roebuck]]
* VErnon (83), formerly "84", [[Center Point]], [[East Lake]], [[Huffman]], [[Roebuck]], routed from the Center Point central office
* VIctor (84), [[Inglenook]], [[Tarrant]]
* VIctor (84), [[Inglenook]], [[New Georgia]], [[Tarrant]]
* WOrth (96), [[East Lake]], [[Woodlawn]]
* WOrth (96), [[Crestline]], [[East Lake]], [[Woodlawn]]<!--, routed from the Cahaba Heights central office ??-->


==Three number exchanges==
==Three number exchanges==
Line 55: Line 58:
| 592 || Woodlawn || originally LYric 2
| 592 || Woodlawn || originally LYric 2
|-
|-
| 595 || Woodlawn || originally LYric 5
| 595 || Woodlawn || originally WOrth 1, later LYric 5
|-
|-
| 599 || Crestwood, Woodlawn || 1960s-
| 599 || Crestwood, Woodlawn || 1960s-
Line 79: Line 82:
| 788 || Western Birmingham, Fairfield || formerly STate 8
| 788 || Western Birmingham, Fairfield || formerly STate 8
|-
|-
| 791 | Forestdale || 1970s-
| 791 || Forestdale || 1970s-
|-
|-
| 798 | Forestdale || 1960s-
| 798 || Forestdale || 1960s-
|-
|-
| 822 || Bluff Park, Hoover, Vestavia Hills || formerly VAlley 2
| 822 || Bluff Park, Hoover, Vestavia Hills || formerly VAlley 2
Line 89: Line 92:
| 824 || Hoover, Vestavia Hills || 1990s-
| 824 || Hoover, Vestavia Hills || 1990s-
|-
|-
| 833 || Roebuck ||
| 833 || East Lake, Roebuck ||
|-
|-
| 836 || Roebuck ||
| 836 || Roebuck, Wahouma ||
|-
|-
| 838 || Roebuck ||
| 838 || Roebuck ||
|-
| 853 || Chalkville ||
|-
|-
| 870 || Homewood || 1960s-
| 870 || Homewood || 1960s-

Revision as of 12:59, 4 January 2015

This is a list of telephone exchanges, the numerals preceding the hyphen in local telephone numbers. These were originally known as "office numbers", referring to the actual telephone exchange offices which served each group of lines. In 1955 these office numbers were replaced under the Bell system's "North American Numbering Plan". The scheme initially used names whose first two letters (dialed as numbers 2-9) were followed by a numeral (0-9) to form a three-digit exchange, in the form of "NNX". The individual four-digit telephone number followed. Later, the form was changed to "NXX" to allow the second digit to use a 0 or 1.

Two-letter exchanges

Three number exchanges

Exchange Location Origin
251 downtown Birmingham formerly ALpine 1
252 downtown Birmingham formerly ALpine 2
254 downtown Birmingham formerly ALpine 4
321 downtown Birmingham formerly FAirfax 1
322 downtown Birmingham formerly FAirfax 2
323 downtown Birmingham formerly FAirfax 3
324 downtown Birmingham formerly FAirfax 4
325 downtown Birmingham 1960s-
328 downtown Birmingham 1970s-
332 Homewood 1990s-
424 Bessemer 1960s-
425 Bessemer originally HAlifax 5
426 Bessemer originally HAlifax 6
428 Bessemer originally HAlifax 8
590 Kimberly
591 Crestwood, Woodlawn 1960s-
592 Woodlawn originally LYric 2
595 Woodlawn originally WOrth 1, later LYric 5
599 Crestwood, Woodlawn 1960s-
633 Pelham
647 Kimberly
648 Walker County
780 Western Birmingham, Fairfield 1970s-
781 Western Birmingham, Fairfield formerly STate 1
783 Fairfield, US Steel formerly STate 3
785 Western Birmingham, Fairfield formerly STate 5
786 Western Birmingham, Fairfield formerly STate 6
787 Western Birmingham, Fairfield formerly STate 7
788 Western Birmingham, Fairfield formerly STate 8
791 Forestdale 1970s-
798 Forestdale 1960s-
822 Bluff Park, Hoover, Vestavia Hills formerly VAlley 2
823 Bluff Park, Hoover, Vestavia Hills formerly VAlley 4
824 Hoover, Vestavia Hills 1990s-
833 East Lake, Roebuck
836 Roebuck, Wahouma
838 Roebuck
853 Chalkville
870 Homewood 1960s-
871 Homewood formerly TRemont 1
877 Homewood 1970s-
879 Homewood formerly TRemont 9
940 Homewood
942 Homewood
945 Homewood 1970s-
951 Irondale 1980s-
956 Irondale 1970s-
957 Irondale 1980s-
967 Cahaba Heights, Rocky Ridge
978 Hoover, Vestavia Hills 1980s-
979 Hoover, Vestavia Hills 1970s-
985 Hoover, Riverchase 1980s-
987 Hoover, Vestavia Hills 1970s-
988 Hoover, Vestavia Hills 1970s-
995 Cahaba Heights, Rocky Ridge 1980s-

References

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