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Area Codes 905, 289 & 365
Telephone Central Office
Building Pictures
The following are representative examples of telephone central office buildings in Area Codes 905, 289 and 365 (Ontario, Canada).
Click on the pictures below for a larger version.
Ajax-Pickering
"Pickering"
Listing Updated:
November 2020Operating Company:
Bell CanadaCLLI:
PCNGON62DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 403
(905) 424, 426-8, 619, 683, 686Notes:
Source: GSV
Ancaster
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
ANCSON04RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(289) 443
(905) 304, 648Notes:
Source: GSV
Aurora
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
AURRON91DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 713, 717, 726-7, 750-1, 841Notes:
Source: GSV
Beamsville
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
BMVLON08RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 563Notes:
Source: GSV
Beeton
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
BTONON90RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 729Notes:
Source: GSV
Binbrook
Listing Updated:
April 2023Operating Company:
Bell CanadaCLLI:
BNBKON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 692Notes:
Source: GSV
Blackstock
Listing Updated:
August 2011Operating Company:
Bell CanadaCLLI:
BLCSON99RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 986Notes:
Source: GSV
Bolton
Listing Updated:
April 2023Operating Company:
Bell CanadaCLLI:
BOTNON12RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 857, 951Notes:
Source: GSV
Bowmanville
Listing Updated:
September 2018Operating Company:
Bell CanadaCLLI:
BWMVON96RSCSwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 623, 697Notes:
Source: GSV
Bradford
Listing Updated:
May 2021Operating Company:
Bell CanadaCLLI:
BRFRON89DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 775, 778Notes:
Source: GSV
Brampton
"John"
Listing Updated:
August 2022Operating Company:
Bell CanadaCLLI:
BMTNON13CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 450, 452, 454-5, 460, 796, 863, 874Notes:
Source: GSV
Brampton
"Walker"
Listing Updated:
May 2022Operating Company:
Bell CanadaCLLI:
BMTNON37DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 458, 494, 789-94, 799, 913Notes:
Source: GSV
Brooklin
Listing Updated:
October 2018Operating Company:
Bell CanadaCLLI:
BRKLON97RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 620, 655Notes:
Source: GSV
Burlington
"02" (Brant St.)
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
BURLON02DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 333, 631-4, 637, 639, 681Notes:
Source: GSV
Burlington
"03 (Guelph Line)
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
BURLON03DS1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 313
(905) 315, 319, 331-2, 335-6Notes:
Source: GSV
Caledon East
Listing Updated:
November 2020Operating Company:
Bell CanadaCLLI:
CLDEON14RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 584Notes:
Source: GSV
Caledonia
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
CLDNON01RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 765Notes:
Source: GSV
Campbellville
Listing Updated:
September 2011Operating Company:
Bell CanadaCLLI:
CPVLON15RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 854Notes:
Source: GSV
Cayuga
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
CYGAON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 772Notes:
Source: GSV
Claremont
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
CLMTON49RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 649Notes:
Source: GSV
Clarkson
Listing Updated:
August 2022Operating Company:
Bell CanadaCLLI:
CKSNON16DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 287, 403, 491, 822-3, 829, 855Notes:
Includes parts of Oakville ratecenter. Source: GSV
Cobourg
Listing Updated:
September 2014Operating Company:
Bell CanadaCLLI:
CBRGON72DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 372-3, 375, 377Notes:
Source: GSV
Colborne
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
CLBNON71RSASwitch Type:
Ribbon/Genband/Nortel 355Prefixes Served:
(905) xNotes:
Source: GSV
Cooksville
"Dundas"
Listing Updated:
July 2022Operating Company:
Bell CanadaCLLI:
CKVLON17CG1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 210, 273, 276-7, 306, 566, 615, 803-4, 848, 896-7, 949Notes:
Source: GSV
Cooksville
"Hurontario"
Listing Updated:
January 2021Operating Company:
Bell CanadaCLLI:
CKVLON01DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 501-2, 507, 568, 712, 755, 890Notes:
Source: GSV
Dunnville
Listing Updated:
November 2021Operating Company:
Bell CanadaCLLI:
DNVLON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 229, 701, 774Notes:
Source: GSV
Fisherville
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
FHVLON20RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 779Notes:
Source: GSV
Fort Erie
Listing Updated:
April 2021Operating Company:
Bell CanadaCLLI:
FTERON02DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 871, 991-4Notes:
Source: GSV
Georgetown
Listing Updated:
April 2022Operating Company:
Bell CanadaCLLI:
GRTWON19DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 702, 873, 877Notes:
Source: GSV
Gormley
Listing Updated:
May 2021Operating Company:
Bell CanadaCLLI:
GMLYON20RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 887-8, 927Notes:
Includes Bethesda ratecenter. Source: GSV
Grafton
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
GFTNON68RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 349Notes:
Source: GSV
Grimsby
Listing Updated:
October 2022Operating Company:
Bell CanadaCLLI:
GRMSON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 309, 945Notes:
Source: GSV
Hagersville
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
HGVLON21RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 768Notes:
Source: GSV
Hamilton
"Main Street"
Listing Updated:
July 2022Operating Company:
Bell CanadaCLLI:
HMTNON01DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 312, 314, 543-5, 547-9, 627-8Notes:
Source: GSV
Hamilton
"Hunter"
Listing Updated:
November 2020Operating Company:
Bell CanadaCLLI:
HMTNON14CG1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 308, 317, 520-9, 540, 546, 570, 572, 577, 645, 719, 777, 972, 974, 977-8Notes:
The brick building on the left which originally opened as a toll office in November 1952. The older building on the right is the location of the former Baker CO which opened in late 1928 or early 1929. Source: Ray C.
Hamilton
"Upper Wentworth"
Listing Updated:
August 2022Operating Company:
Bell CanadaCLLI:
HMTNON02DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 318, 381, 383, 385, 387-9, 574-5Notes:
Source: GSV
Hampton
Listing Updated:
October 2021Operating Company:
Bell CanadaCLLI:
HMPNON67RS1Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 263Notes:
Source: GSV
King City
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
KGCYON87RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 833Notes:
Source: GSV
Kleinburg
Listing Updated:
September 2022Operating Company:
Bell CanadaCLLI:
KNBGON21RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 893Notes:
Source: GSV
Malton
"Derry"
Listing Updated:
May 2016Operating Company:
Bell CanadaCLLI:
MALTON22CG1Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(416) 213, 674-5, 679, 776, 798
(905) 293, 405, 612, 671-3, 676, 694Notes:
Serves parts of Toronto. Source: GSV
Malton
"Invader"
Listing Updated:
November 2020Operating Company:
Bell CanadaCLLI:
MALTON23DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 562
(905) 564-5, 670, 696, 795Notes:
Source: GSV
Maple
Listing Updated:
July 2022Operating Company:
Bell CanadaCLLI:
MAPLON23RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(289) 304
(905) 303, 417, 832, 879Notes:
Source: GSV
Markham
Listing Updated:
October 2020Operating Company:
Bell CanadaCLLI:
MRHMON24DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 201, 209, 294, 471-2Notes:
Source: GSV
Milton
Listing Updated:
April 2022Operating Company:
Bell CanadaCLLI:
MLTNON25DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 851
(365) 877
(905) 636, 693, 864, 875-6, 878Notes:
Source: GSV
Mount Hope
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
MTHPON01RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 679Notes:
Source: GSV
Newcastle
Listing Updated:
September 2018Operating Company:
Bell CanadaCLLI:
NWCSON66RSCSwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 987Notes:
Source: GSV
Newmarket
Listing Updated:
November 2020Operating Company:
Bell CanadaCLLI:
NWMKON85CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 715, 830, 836, 853, 868, 895, 898, 952-4, 957Notes:
Source: GSV
Niagara Falls
"Chippewa"
Listing Updated:
April 2021Operating Company:
Bell CanadaCLLI:
NGFLON03RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 295Notes:
Source: GSV
Niagara Falls
"Victoria"
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
NGFLON05DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 351, 353-4, 356-8, 371, 374, 394Notes:
Source: GSV
Niagara-on-the-Lake
Listing Updated:
April 2021Operating Company:
Bell CanadaCLLI:
NOTLON09RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 468Notes:
Source: GSV
Oak Ridges
Listing Updated:
October 2022Operating Company:
Bell CanadaCLLI:
OKRGON84RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 313, 773Notes:
Source: GSV
Oakville
"Main"
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
OKVLON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(289) 725
(365) 726
(905) 257Notes:
Source: GSV
Oakville
"Balsam"
Listing Updated:
January 2021Operating Company:
Bell CanadaCLLI:
OKVLON30CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 337-9, 815, 842, 844-5, 849Notes:
Source: GSV
Oakville
"Bronte"
Listing Updated:
March 2022Operating Company:
Bell CanadaCLLI:
OKVLON54DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 386
(905) 465, 469, 825, 827, 847Notes:
Source: GSV
Orono
Listing Updated:
October 2011Operating Company:
Bell CanadaCLLI:
ORONON01RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 983Notes:
Source: GSV
Oshawa
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
OSHWON95CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 404, 429, 432-6, 438, 440, 644, 718Notes:
Source: GSV
Pelham
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
PLHMON13RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 892Notes:
Source: GSV
Port Colborne
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
PTCBON10RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 835Notes:
Source: GSV
Port Credit
Listing Updated:
August 2022Operating Company:
Bell CanadaCLLI:
PTCDON33DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 271, 274, 278, 891Notes:
Source: GSV
Port Hope
Listing Updated:
September 2021Operating Company:
Bell CanadaCLLI:
PTHPON61RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 885Notes:
Source: GSV
Port Perry
Listing Updated:
June 2018Operating Company:
Bell CanadaCLLI:
PTPYON93RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 982, 985Notes:
Source: GSV
Queensville
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
QNVLON83RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 478Notes:
Source: GSV
Richmond Hill
Listing Updated:
October 2020Operating Company:
Bell CanadaCLLI:
RMHLON34DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 508, 737, 770, 780, 787, 883-4Notes:
Source: GSV
Ridgeway
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
RDWYON06RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 894Notes:
Source: GSV
Schomberg
Listing Updated:
November 2022Operating Company:
Bell CanadaCLLI:
SCMBON60RS0Switch Type:
Ribbon/Genband/Nortel 939Prefixes Served:
(905) xNotes:
Source: GSV
Selkirk
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
SLKRON29RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 776Notes:
Source: GSV
Snelgrove
Listing Updated:
October 2016Operating Company:
Bell CanadaCLLI:
SNGVON39RSCSwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(365) 847
(905) 495, 840, 843, 846, 970Notes:
Also serves parts of Brampton. Source: GSV
South Pickering
Listing Updated:
May 2021Operating Company:
Bell CanadaCLLI:
SPNGON18DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 420-1, 831, 837, 839Notes:
Source: GSV
St Catharines-Thorold
"King"
Listing Updated:
September 2022Operating Company:
Bell CanadaCLLI:
STCTON10CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 322-3, 641, 682, 684-5, 687-8, 704, 708, 980, 984, 988Notes:
Source: GSV
St Catharines-Thorold
"Linwell"
Listing Updated:
October 2022Operating Company:
Bell CanadaCLLI:
STCTON11DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 646, 934-5, 937-8Notes:
Source: GSV
St Catharines-Thorold
"Thorold"
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
STCTON13RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 227, 680Notes:
Source: GSV
Stevensville
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
STVLON07RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 382Notes:
Source: GSV
Stoney Creek
Listing Updated:
June 2022Operating Company:
Bell CanadaCLLI:
STCKON08DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(365) 663
(905) 560-1, 573, 578, 661-2, 664Notes:
Serves parts of Hamilton. Source: GSV
Stouffville
Listing Updated:
August 2016Operating Company:
Bell CanadaCLLI:
SFVLON28RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 640, 642Notes:
Source: GSV
Streetsville
"Streetsville Pearl"
Listing Updated:
April 2021Operating Company:
Bell CanadaCLLI:
SSVLON39DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 309
(905) 285-6, 542, 567, 812-4, 816-7, 819, 821, 826, 858Notes:
Source: GSV
Streetsville
"Erin Mills"
Listing Updated:
July 2022Operating Company:
Bell CanadaCLLI:
ERMLON65CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 569, 606-8, 820, 828Notes:
Source: GSV
Sutton
Listing Updated:
November 2022Operating Company:
Bell CanadaCLLI:
STTNON82RSCSwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 722Notes:
Source: GSV
Thornhill
Listing Updated:
November 2021Operating Company:
Bell CanadaCLLI:
TNHLON40DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 707, 709, 731, 747, 762-4, 771, 881-2, 886, 889Notes:
Source: GSV
Tottenham
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
TNHMON81RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 936Notes:
Source: GSV
Unionville
Listing Updated:
September 2017Operating Company:
Bell CanadaCLLI:
UNVLON55CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 333
(905) 305, 316, 413, 415, 470, 474-5, 477, 479, 513, 940, 943-4, 946-8Notes:
Source: GSV
Victoria
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
VCTAON41RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 838Notes:
Source: GSV
Vineland
Listing Updated:
September 2022Operating Company:
Bell CanadaCLLI:
VNLDON35RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 562Notes:
Source: GSV
Wainfleet
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
WNFLON14RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 899Notes:
Source: GSV
Waterdown
Listing Updated:
May 2023Operating Company:
Bell CanadaCLLI:
WRDNON16RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 689-90Notes:
Source: GSV
Welcome
Listing Updated:
September 2011Operating Company:
Bell CanadaCLLI:
WLCMON91RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 753Notes:
Source: GSV
Welland
Listing Updated:
June 2023Operating Company:
Bell CanadaCLLI:
WLLDON16DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 384, 714, 732-6, 788Notes:
Also includes Port Robertson. Source: GSV
West Lincoln
Listing Updated:
October 2021Operating Company:
Bell CanadaCLLI:
WLNCON01RSASwitch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(905) 957Notes:
Source: GSV
Whitby
Listing Updated:
October 2020Operating Company:
Bell CanadaCLLI:
WTBYON94DS0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(905) 430, 444, 665-6, 668Notes:
Source: GSV
Winona
Listing Updated:
October 2021Operating Company:
Bell CanadaCLLI:
WINOON09RS0Switch Type:
Ribbon/Genband/Nortel RSCPrefixes Served:
(289) 649
(905) 643Notes:
Source: GSV
Woodbridge
Listing Updated:
July 2022Operating Company:
Bell CanadaCLLI:
WDBGON48CG0Switch Type:
Ribbon/Genband/Nortel DMS-100Prefixes Served:
(289) 657
(905) 264-5, 850-1, 856Notes:
Source: GSV
Visit other Ontario Area Codes: 416 519 613 705 807 905
Visit nearby regions: Manitoba Michigan Minnesota Quebec
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