Area codes 450 and 579

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Area codes 450 and 579 are telephone area codes in the Canadian province of Quebec, encompassing the off-island suburbs of Montreal, which is served by area codes 514 and 438. The 450 area code is also shared by several small communities in an adjacent part of Ontario: some landline customers in Chute-à-Blondeau (East Hawkesbury), near Pointe-Fortune have 450-451-xxxx numbers from the Rigaud phone exchange. Due to population growth, on May 7, 2009, the CRTC ruled that area code 438 would be extended to overlay both 450 and 514.[1] However, a later decision revised it and ruled that 579 would overlay 450 on its own, effective August 21, 2010.[2]

Area code 450 was created in 1998 when 514 was confined to the Island of Montreal. Among the cities served by area code 450 are Longueuil and Laval. The communities of Ormstown, Huntingdon, Boucherville, Varennes, Roussillon, Joliette, Saint-Hyacinthe, Granby, Chambly, Saint-Jean-sur-Richelieu and Vaudreuil-Dorion are also part of this area code.

The main incumbent local exchange carrier is Bell Canada, plus some independent companies.

Some of the places that use this area code[edit]

  • Chateauguay, Quebec (450)-201 287 507 691 692 698 699 716 844 977 (579)-288 977
  • Granby, Quebec (450)-204 305 320 330 360 361 372 375 378 405 521 522 525 531 558 574 577 578 762 770 775 776 777 830 877 915 956 991 994 (579)-232 488 589 787
  • Longueuil, Quebec (450)-286 321 332 396 442 448 463 468 616 626 640 646 647 651 670 674 677 679 693 748 876 892 912 928 999 (579)-234 274 721 799 999
  • Saint-Hyacinthe, Quebec (450)-209 223 230 250 251 252 261 278 385 418 484 501 502 513 518 768 771 773 774 778 779 799 847 888 924 998 (579)-239 489
  • Saint-Jérôme, Quebec (450)-275 304 327 431 432 436 438 504 512 516 530 553 560 565 569 592 602 660 675 694 710 712 820 821 822 848 858 990 (579)-240 765 888 990
  • Sorel-Tracy, Quebec (450)-249 352 494 517 551 556 561 730 742 743 746 780 808 846 855 880 881 899 908 943 954 (579)-243 249

Notes[edit]

See also[edit]

External links[edit]

Quebec area codes: 418, 438, 450, 514, 579, 581, 819
North: 819
West: 613, 819 Area code 450/579 completely surrounding 438/514 East: 819
South: 518, 802
New York area codes: 212, 315, 347, 516, 518, 585, 607, 631, 646, 716, 718, 845, 914, 917, 929
Ontario area codes: 226, 249, 289, 343, 365, 416, 519, 613, 647, 705, 807, 905
Vermont area codes: 802

Coordinates: 45°37′N 73°56′W / 45.61°N 73.94°W / 45.61; -73.94