See also Montreal telephone exchange geography.The first telephone exchange was opened in Jersey in 1888 by the Western Counties and South Wales Telephone Company but the service was suspended after three years.Ī telephone number first featured in a Jersey Times and British Press advert – H Elliot’s Springfield Nursery & 34 King Street Telephone No 18 - on 18 August 1888. Source: The Telephone EXchange Name ProjectĪnd David Leibold's Toronto exchange history, with some assistance from Hugh Hamilton Named prefixes were phased out in favor of All Number Calling (ANC) between 19. Here are the old prefixes for the Toronto exchange. The Canadian Numbering Administrator has some useful current information, especially in the documents concerning Completed NPA Relief Planning.įrom 1923 to 1958, 2 Letter 4 Digit (2L-4D) dialing was used in Toronto. UNVLON55 Unionville PCNGON62 Ajax-Pickering ERMLON65 Streetsville Erin Mills 82 0-8Ī discussion of CLLI usage can be found in the TELECOM Digest archives. SSVLON52 Streetsville Aquitaine OKVLON54 Oakville Bronte 82–VAlley 5-7-9 OKVLON30 Oakville Balsam 84–VIctor 2-4-5-9īMTNON37 Brampton, Castlemore Walker SSVLON39 Streetsville Pearl 82–TAylor 1-6 MRHMON24 Markham MLTNON25 Milton 87–TRiangle 5-6-8 MALTON22 Malton Derry (was 27–BRowning 7, then 28–BUtler 6) SPNGON18 South Pickering (Dunbarton) 83–TEmple 1-7-9 The following nearby exchanges were switched to NPA 905 in October 1993.īMTNON13 Brampton John 45–GLendale 0-1-2-3-4-5-6-7-9ĬKVLON17 Cooksville Dundas 27 0-2-3-5-6-7-9 (was 28–ATwater 9) TOROON61 Toronto (Weston), Thornhill Alness 66 TOROON47 Toronto (Willowdale) Finch 22–BAldwin/ACademy (Toronto) TOROON46 Toronto (Don Mills) Don Mills 44–HIckory TOROON45 Toronto (Weston) Acton 63–MElrose TOROON44 Toronto (Weston) Bellevue 24–CHerry TOROON43 Toronto (Weston) 2664 Islington 74 TOROON42 Toronto (West Hill) Orchard Park 28–ATlantic 0-1-2-3-4-6-7 TOROON36 Toronto (Scarborough) Victoria Park 75–PLymouth 0-1-2-5-7-9 TOROON35 Toronto (Scarborough) St Clair 26–AMherst 1-4-5-6-7-9 TOROON29 Toronto (Islington), Cooksville Old Burnhamthorpe 62 TOROON27 Toronto (New Toronto) 180 Islington 25–CLifford 1-2-3-5-9 TOROON21 Toronto (Agincourt) Sheppard 29–AXminster/CYpress (zone) 1-2-3-5-7-8-9 TOROON07 Toronto Ridelle 78–RUssell/STerling (Willowdale/Weston) TOROON03 Toronto (also Don Mills) Donlands 42–GArden TOROON01 Toronto Adelaide 36–EMpire, 86–UNiversity, 870 The historical exchanges Agincourt, Don Mills, Islington, New Toronto, Scarborough, West Hill, Weston, and Willowdale were merged into the Toronto exchange in 1977.ĬO CLLI Rate Centre Wire Centre 2 Letter 5 Digit Prefix Most central offices now use additional prefixes. Some wire centre boundaries and prefixes have changed over time. The 2 Letter 5 Digit column shows current assignments of the 2L-5D named prefixes that have existed since the 1950s. Rate centres are the basis of local calling areas and long distance charges. The area served by a central office is a wire centre. In Toronto (NPA 416), Bell Canada uses the following codes for central offices (exchanges) where switches are located. See the Local calling guide to find which switch a prefix (NPA-NXX) belongs to.ĬLLI ( Common Language location identifier) codes identify elements of the North American telephone network. Toronto telephone exchange geography Toronto telephone exchange geography
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