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Montréal telephone exchange geography

Montreal central offices (historical and current) mapped
See theLocal calling guide to find which switch a prefix (NPA-NXX) belongs to.

CLLI (Common Language location identifier) codes identify elements of the North American telephone network. In Montréal (NPA 514), Bell Canada uses the following codes for central offices (exchanges) where switches are located. The area served by a central office is a wire centre. Rate centres are the basis of local calling areas and long distance charges.

The 2 Letter 5 Digit column showscurrent assignments of the 2L-5D named prefixes that have existed since the 1950s. Some wire centre boundaries and prefixes have changed over time. Most central offices now use additional prefixes.

CO CLLIRate CentreWire Centre2 Letter 5 Digit Prefix
MTRLPQ02MontréalBelmont86–UNiversity 1-4-6-8, 87–TRiangle
MTRLPQ03MontréalCadillac25–CLairval
MTRLPQ05MontréalPointe-aux-Trembles64–MIssion 0-2-4-5
MTRLPQ07MontréalPapineau52–LAfontaine
MTRLPQ08Roxboro68–MUrray 3-4-5
MTRLPQ19MontréalCôte-des-Neiges73–REgent
MTRLPQ23MontréalDudemaine33–FEderal
MTRLPQ24MontréalDecelles74–RIverside [merged with Dudemaine in the 1990s]
MTRLPQ28MontréalSt-Dominique27–CRescent
MTRLPQ29MontréalMontée St-Michel72–RAymond
MTRLPQ30MontréalMontréal-Nord32–DAniel
MTRLPQ31MontréalSauvé38–DUpont
MTRLPQ34MontréalRivière-des-Prairies64–MIssion 3-8 (was 66–MOnument 5)
MTRLPQ42MontréalOntario84–VIctor, 28–AVenue
MTRLPQ43MontréalAtwater93–WEllington
MTRLPQ44Lachine14e Avenue63–MElrose 4-7-9 (was 63–NElson 5)
MTRLPQ45LachineDorval63–MElrose 1-3-6
MTRLPQ46MontréalLaSalle36–DOminic
MTRLPQ47MontréalMonkland48–HUnter
MTRLPQ48MontréalVerdun76–POntiac
MTRLPQ50Pointe-ClaireChemin St-Jean69–OXford 3-4-5-7 (was 68–OVerbrook)
MTRLPQ51MontréalAnjou35
MTRLPQ53Pointe-ClaireSte-Anne-de-Bellevue45–GLendale 7
MTRLPQ54Ste-Geneviève62–NAtional 0-4-6
IPRTPQAAÎle-Perrot45–GLendale 3
 
The following nearby exchanges were switched to NPA 450 in January 1999.
 
VLGDPQ06Ville Le Gardeur65–OLympia 4-7
BHVLPQ10Boucherville65–OLympia 5
CMBYPQ11Chambly65–OLympia 8
CTGYPQ13Châteauguay69–OXford 1-2-8-9 (was 68–OVerbrook)
LPRRPQ14La Prairie, St-Philippe65–OLympia 9 (was also 64–MIssion 3)
LNGLPQ15Longueuil67–ORleans 0-4-7-9
LEPHPQ16L'Épiphanie(was 69–OXford)
SCONPQ18St-Constant63–NEptune 2-5-8
SLAMPQ20St-Lambert67–ORchard 1-2
SHBTPQ21St-LambertSt-Hubert67–ORchard 6-8
BLOLPQ22Beloeil(was 36–FOrest)
VRNSPQ25Varennes65–OLympia 2
VRCHPQ26Verchères58–LUcerne 3
MTRLPQ27Chomedey68–MUrray 0-1-2-6-7-8
MTRLPQ33Pont-Viau66–MOntcalm 2-3-7-8-9
STESPQ35St-Eustache, Oka47–GRanit 2-3-5-9
MCCHPQ36Mascouche47–GRanit 4-7
MTRLPQ37Ste-Rose62–NAtional 2-5-8
STTRPQ38Ste-Thérèse43–GEneral 0-3-4-5-7 (was 82–TAlbot 3)
MTRLPQ39St-Vincent-de-Paul66–NOrmandie 1-4-5
BHNSPQ40Beauharnois(was 26–COrvette)
VDRLPQ55Vaudreuil(was 23–BElmont)
SBCYPQ62St-Bruno65–OLympia 3
TRRBPQ65Terrebonne47–GRanit 1 (was 66–NOrmandie 6)
LVALPQBMLaval-Est66–NOrmandie 6
LVALPQCJLaval-Ouest62–NAtional 7
LAVOPQPRLaval-OuestSte-Dorothée68–MUrray 9


A discussion of CLLI usage can be found in theTELECOM Digest archives.

TheCanadian Numbering Administrator has some useful current information, especially in the documents concerning theNPA 514/438 overlay implemented on 2006-11-11.

From 1925 to 1958, 2 Letter 4 Digit (2L-4D) dialing was used in Montréal. Here are the old prefixes for the Montréal exchange.

2 Letter 4 Digit PrefixReplaced byDate
86–UNiversity86–UNiversity 61951-05-06
[new]48–HUnter 81952-06
[new]73–REgent 31952-06
[new]74–RIverside 41952
[new]76–POntiac 61952
[new CO]72–RAymond 21953-04
38–DUpont38–DUpont 81953-07-26
39–EXdale73–REgent 71954-02-21
28–ATlantic73–REgent 81954-02-21
52–LAncaster28–AVenue 81954-07-25
[new CO]63–MElrose 71955-02-06
26–AMherst52–LAfontaine 11955-07-31
24–CHerrier52–LAfontaine 21955-07-31
37–FRontenac52–LAfontaine 31955-07-31
32–FAlkirk52–LAfontaine 41955-07-31
46–HOchelaga52–LAfontaine 51955-07-31
44–GIffard52–LAfontaine 61955-07-31
29–BYwater74–RIverside 71955-07-31
25–CLairval25–CLairval 51956-08-05
88–TUrcotte25–CLairval 91956-08-05
36–DOllard27–CRescent 11956-08-05
22–CAlumet27–CRescent 21956-08-05
47–GRavelle27–CRescent 41956-08-05
84–VIctoria27–CRescent 61956-08-05
27–CRescent27–CRescent 71956-08-05
82–TAlon27–CRescent 91956-08-05
92–WAlnut48–HUnter 11957-03
83–VEndome38–DUpont 71957-08-04
43–HEmlock76–POntiac 71957-08-04
87–TRenmore76–POntiac 81957-08-04
96–YOrk [manual]76–POntiac 91957-08-04
42–HArbour84–VIctor 51957-08-04
62–MArquette84–VIctor 91957-08-04
94–WIlbank93–WEllington 21957-08-04
93–WEllington93–WEllington 31957-08-04
34–FItzroy93–WEllington 51957-08-04
45–GLenview93–WEllington 71957-08-04
75–PLateau84–VIctor 21958-09-21
23–BElair84–VIctor 41958-09-21
33–DExter48–HUnter 41958-09-21
35–ELwood48–HUnter 61958-09-21
[new CO]36–DOminic1958-07
[new CO]32–DAniel1958-10
[new CO]33–FEderal1959-07
[new]87–TRiangle1959

Named prefixes were phased out in favor of All Number Calling (ANC) between 1961 and 1966.

Source:The Telephone EXchange Name Project
and old Bell Canada directories at theBibliothèque nationale du Québec

See alsoToronto telephone exchange geography.

2004-04-18Justin Bur / last rev. 2015-10-24

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