| Suburban Montréal Area Area Code 579 Telephone Exchanges / Prefixes |
|---|
| Major Cities/Towns: Granby - Joliette - St-Jerome - St-Hyacinthe - Ste-Therese |
|---|
| Prefix | Company | Status | Location |
|---|
| 211 | | For Special Use | |
| 273 | | Not Available | |
| 310 | | Moratorium on Assignment | |
| 311 | | For Special Use | |
| 354 | | Not Available | |
| 411 | | For Special Use | |
| 450 | | Not Available | |
| 487 | | Not Available | |
| 503 | | Available | |
| 508 | | Available | |
| 511 | | For Special Use | |
| 512 | | Available | |
| 527 | | Available | |
| 549 | | Available | |
| 554 | | RecoveredAging | |
| 555 | | For Special Use | |
| 557 | | Available | |
| 558 | | Available | |
| 568 | | Available | |
| 575 | | Available | |
| 576 | | Available | |
| 579 | | Not Available | |
| 581 | | Available | |
| 582 | | Available | |
| 583 | | Available | |
| 584 | | Available | |
| 585 | | Available | |
| 586 | | Available | |
| 587 | | Available | |
| 588 | | Available | |
| 591 | | Available | |
| 592 | | Available | |
| 596 | | Available | |
| 597 | | Available | |
| 598 | | Available | |
| 610 | | Moratorium on Assignment | |
| 611 | | For Special Use | |
| 624 | | Available | |
| 625 | | Available | |
| 626 | | Available | |
| 627 | | Available | |
| 628 | | Available | |
| 629 | | Available | |
| 646 | | Available | |
| 647 | | Available | |
| 648 | | Available | |
| 649 | | Available | |
| 650 | | Available | |
| 651 | | Available | |
| 652 | | Available | |
| 653 | | Available | |
| 654 | | Available | |
| 656 | | Available | |
| 657 | | Available | |
| 658 | | Available | |
| 659 | | Available | |
| 665 | | Available | |
| 667 | | Available | |
| 668 | | Available | |
| 669 | | Available | |
| 670 | | Available | |
| 671 | | Available | |
| 672 | | Available | |
| 673 | | Available | |
| 680 | | Available | |
| 681 | | Available | |
| 682 | | Available | |
| 683 | | Available | |
| 685 | | Available | |
| 686 | | Available | |
| 687 | | Available | |
| 689 | | Available | |
| 690 | | Available | |
| 691 | | Available | |
| 692 | | Available | |
| 693 | | Available | |
| 694 | | Available | |
| 695 | | Available | |
| 696 | | Available | |
| 697 | | Available | |
| 698 | | Available | |
| 702 | | Available | |
| 703 | | Available | |
| 704 | | Available | |
| 705 | | Available | |
| 706 | | Available | |
| 708 | | Available | |
| 711 | | For Special Use | |
| 712 | | Available | |
| 713 | | Available | |
| 714 | | Available | |
| 718 | | Available | |
| 719 | | Available | |
| 724 | | Available | |
| 725 | | Available | |
| 726 | | Available | |
| 727 | | Available | |
| 728 | | Available | |
| 729 | | Available | |
| 731 | | Available | |
| 732 | | Available | |
| 735 | | Available | |
| 736 | | Available | |
| 742 | | Available | |
| 743 | | Available | |
| 745 | | Available | |
| 746 | | Available | |
| 747 | | Available | |
| 748 | | Available | |
| 749 | | Available | |
| 751 | | Available | |
| 752 | | Available | |
| 753 | | Available | |
| 754 | | Available | |
| 756 | | Available | |
| 758 | | Available | |
| 760 | | Available | |
| 761 | | Available | |
| 762 | | Available | |
| 763 | | Available | |
| 767 | | Available | |
| 771 | | Available | |
| 772 | | Available | |
| 773 | | Available | |
| 774 | | Available | |
| 776 | | Available | |
| 778 | | Available | |
| 781 | | Available | |
| 782 | | Available | |
| 783 | | Available | |
| 784 | | Available | |
| 785 | | Available | |
| 810 | | Moratorium on Assignment | |
| 811 | | For Special Use | |
| 812 | | Available | |
| 813 | | Available | |
| 814 | | Available | |
| 815 | | Available | |
| 816 | | Available | |
| 819 | | Not Available | |
| 851 | | Not Available | |
| 857 | | Available | |
| 861 | | Available | |
| 866 | | Available | |
| 867 | | Available | |
| 868 | | Available | |
| 870 | | Available | |
| 871 | | Not Available | |
| 873 | | Not Available | |
| 898 | | Available | |
| 911 | | For Special Use | |
| 916 | | Available | |
| 917 | | Available | |
| 918 | | Available | |
| 931 | | Available | |
| 935 | | Available | |
| 936 | | Available | |
| 937 | | Available | |
| 938 | | Available | |
| 941 | | Available | |
| 942 | | Available | |
| 943 | | Available | |
| 944 | | Available | |
| 945 | | Available | |
| 946 | | Available | |
| 947 | | Available | |
| 948 | | Available | |
| 950 | | For Special Use | |
| 951 | | Available | |
| 952 | | Available | |
| 953 | | Available | |
| 954 | | Available | |
| 955 | | Available | |
| 956 | | Available | |
| 958 | | Plant Test | |
| 959 | | Plant Test | |
| 963 | | Available | |
| 964 | | Available | |
| 965 | | Available | |
| 966 | | Available | |
| 967 | | Available | |
| 968 | | Available | |
| 970 | | Available | |
| 971 | | Available | |
| 972 | | Available | |
| 973 | | Available | |
| 974 | | Available | |
| 975 | | Available | |
| 976 | | For Special Use | |
| 983 | | Available | |
| 984 | | Available | |
| 356 | 9164-3122 Quebec inc | In Service | Ste-Victoire |
| 564 | 9164-3122 Quebec inc | In Service | St-Zephirin |
| 274 | Allstream Inc. | In Service | Longueuil |
| 275 | Allstream Inc. | In Service | Ste-Therese |
| 257 | Bell Canada | Assigned | St-Ours |
| 526 | Bell Canada | In Service | Contrecoeur |
| 601 | Bell Canada | In Service | Chateauguay |
| 602 | Bell Canada | In Service | Granby |
| 603 | Bell Canada | In Service | Joliette |
| 604 | Bell Canada | In Service | LEpiphanie-lAssomption |
| 605 | Bell Canada | In Service | Pont-Viau |
| 606 | Bell Canada | In Service | Sorel |
| 607 | Bell Canada | In Service | St-Eustache |
| 608 | Bell Canada | In Service | St-Hyacinthe |
| 609 | Bell Canada | In Service | St-Jean |
| 612 | Bell Canada | In Service | St-Lambert |
| 613 | Bell Canada | In Service | Ste-Therese |
| 614 | Bell Canada | In Service | St-Sauveur |
| 615 | Bell Canada | In Service | Terrebonne |
| 616 | Bell Canada | In Service | Valleyfield |
| 617 | Bell Canada | In Service | St-Jerome |
| 618 | Bell Canada | In Service | Chomedey |
| 619 | Bell Canada | In Service | Ste-Rose |
| 620 | Bell Canada | In Service | Longueuil |
| 621 | Bell Canada | In Service | St-Lambert |
| 255 | Bell Mobility | In Service | Granby |
| 276 | Bell Mobility | In Service | Sorel |
| 337 | Bell Mobility | In Service | Joliette |
| 348 | Bell Mobility | In Service | St-Hyacinthe |
| 353 | Bell Mobility | In Service | Valleyfield |
| 525 | Bell Mobility | In Service | St-Jerome |
| 655 | Bell Mobility | In Service | Lachute |
| 266 | Comwave Networks | In Service | St-Lambert |
| 267 | Comwave Networks | In Service | St-Jean |
| 268 | Comwave Networks | In Service | St-Hyacinthe |
| 269 | Comwave Networks | In Service | Sorel |
| 270 | Comwave Networks | In Service | Bedford |
| 271 | Comwave Networks | In Service | Farnham |
| 272 | Comwave Networks | In Service | Lacolle |
| 277 | Comwave Networks | In Service | Ste-Therese |
| 278 | Comwave Networks | In Service | St-Jerome |
| 288 | Comwave Networks | In Service | Chateauguay |
| 737 | Comwave Networks | In Service | St-Cesaire |
| 738 | Comwave Networks | In Service | Dunham |
| 739 | Comwave Networks | In Service | Eastman |
| 740 | Comwave Networks | In Service | Joliette |
| 741 | Comwave Networks | In Service | Actonvale |
| 786 | Comwave Networks | In Service | Knowlton |
| 787 | Comwave Networks | In Service | Granby |
| 788 | Comwave Networks | In Service | Mansonville |
| 789 | Comwave Networks | In Service | Sutton |
| 797 | Comwave Networks | In Service | Waterloo |
| 799 | Comwave Networks | In Service | Longueuil |
| 808 | Comwave Networks | In Service | Terrebonne |
| 818 | Comwave Networks | In Service | St-Eustache |
| 828 | Comwave Networks | In Service | Oka |
| 838 | Comwave Networks | In Service | Mirabel-Ste-Scholastique |
| 858 | Comwave Networks | In Service | Mirabel-St-Augustin |
| 859 | Comwave Networks | In Service | Marieville |
| 869 | Comwave Networks | In Service | Laprairie |
| 919 | Comwave Networks | In Service | Pont-Viau |
| 920 | Comwave Networks | In Service | Valleyfield |
| 921 | Comwave Networks | In Service | Franklin Centre |
| 922 | Comwave Networks | In Service | Les Cedres |
| 923 | Comwave Networks | In Service | Ormstown |
| 924 | Comwave Networks | In Service | Riviere-Beaudette |
| 925 | Comwave Networks | In Service | St-Clet |
| 926 | Comwave Networks | In Service | Ste-Justine-de-Newton |
| 927 | Comwave Networks | In Service | Ste-Marthe |
| 928 | Comwave Networks | In Service | Vaudreuil |
| 929 | Comwave Networks | In Service | Chomedey |
| 939 | Comwave Networks | In Service | Laval-Est |
| 940 | Comwave Networks | In Service | Coteau-Landing |
| 949 | Comwave Networks | In Service | Beloeil |
| 969 | Comwave Networks | In Service | Ste-Rose |
| 989 | Comwave Networks | In Service | Laval-Ouest |
| 335 | Cooptel | In Service | Yamaska |
| 355 | Cooptel | In Service | St-Pie-de-Guire |
| 393 | Cooptel | In Service | Berthierville |
| 398 | Cooptel | In Service | Lanoraie |
| 424 | Cooptel | In Service | St-Michel-des-Saints |
| 425 | Cooptel | In Service | Joliette |
| 426 | Cooptel | In Service | St-Jacques |
| 427 | Cooptel | In Service | Ste-Julienne |
| 428 | Cooptel | In Service | LEpiphanie-lAssomption |
| 429 | Cooptel | In Service | St-Hugues |
| 437 | Cooptel | In Service | Eastman |
| 439 | Cooptel | In Service | Waterloo |
| 442 | Cooptel | In Service | Granby |
| 443 | Cooptel | In Service | St-Jude |
| 444 | Cooptel | In Service | St-Gabriel-de-Brandon |
| 445 | Cooptel | In Service | St-Aime |
| 446 | Cooptel | In Service | St-Felix-de-Valois |
| 447 | Cooptel | In Service | St-Alphonse-de-Rodriguez |
| 448 | Cooptel | In Service | St-Jean-de-Matha |
| 449 | Cooptel | In Service | Rawdon |
| 451 | Cooptel | In Service | St-Denis |
| 452 | Cooptel | In Service | St-Simon |
| 453 | Cooptel | In Service | Ste-Helene-de-Bagot |
| 454 | Cooptel | In Service | St-Zenon |
| 482 | Cooptel | In Service | St-Barthelemy |
| 540 | Cooptel | In Service | Ste-Victoire |
| 541 | Cooptel | In Service | St-Ours |
| 542 | Cooptel | In Service | St-Hyacinthe |
| 543 | Cooptel | In Service | St-Pie |
| 544 | Cooptel | In Service | St-Damase |
| 545 | Cooptel | In Service | Ste-Madeleine |
| 546 | Cooptel | In Service | St-Thomas-dAquin |
| 547 | Cooptel | In Service | St-Zephirin |
| 548 | Cooptel | In Service | Sorel |
| 552 | Cooptel | In Service | St-Lin |
| 553 | Cooptel | In Service | St-Calixte-de-Kilkenny |
| 556 | Cooptel | In Service | Upton |
| 574 | Cooptel | Assigned | Ste-Marguerite |
| 303 | Distributel | In Service | Ste-Therese |
| 304 | Distributel | In Service | St-Jerome |
| 305 | Distributel | In Service | St-Hyacinthe |
| 306 | Distributel | In Service | Laval-Est |
| 307 | Distributel | In Service | Laval-Ouest |
| 308 | Distributel | In Service | St-Vincent-de-Paul |
| 309 | Distributel | In Service | Ste-Rose |
| 312 | Distributel | In Service | Chambly |
| 313 | Distributel | In Service | Marieville |
| 314 | Distributel | In Service | St-Bruno |
| 315 | Distributel | In Service | St-Marc |
| 316 | Distributel | In Service | Ste-Julie-de-Vercheres |
| 317 | Distributel | In Service | Varennes |
| 318 | Distributel | In Service | Vercheres |
| 319 | Distributel | In Service | Bromont |
| 320 | Distributel | In Service | Cowansville |
| 321 | Distributel | In Service | Dunham |
| 322 | Distributel | In Service | Knowlton |
| 323 | Distributel | In Service | St-Cesaire |
| 324 | Distributel | In Service | St-Paul-DAbbotsford |
| 325 | Distributel | In Service | Waterloo |
| 326 | Distributel | In Service | Eastman |
| 327 | Distributel | In Service | Frelighsburg |
| 328 | Distributel | In Service | Mansonville |
| 329 | Distributel | In Service | Sutton |
| 338 | Distributel | In Service | Ste-Julienne |
| 339 | Distributel | In Service | St-Gabriel-de-Brandon |
| 340 | Distributel | In Service | St-Jacques |
| 341 | Distributel | In Service | St-Alphonse-de-Rodriguez |
| 342 | Distributel | In Service | St-Jean-de-Matha |
| 344 | Distributel | In Service | St-Felix-de-Valois |
| 345 | Distributel | In Service | St-Zenon |
| 346 | Distributel | In Service | St-Barthelemy |
| 347 | Distributel | In Service | St-Michel-des-Saints |
| 402 | Distributel | In Service | Actonvale |
| 403 | Distributel | In Service | Mirabel-Aeroport |
| 404 | Distributel | In Service | St-Calixte-de-Kilkenny |
| 405 | Distributel | In Service | St-Damase |
| 406 | Distributel | In Service | St-Hippolyte |
| 407 | Distributel | In Service | St-Lin |
| 408 | Distributel | In Service | St-Pie |
| 409 | Distributel | In Service | Ste-Anne-des-Plaines |
| 410 | Distributel | In Service | Ste-Madeleine |
| 901 | Distributel | In Service | Hudson |
| 902 | Distributel | In Service | Les Cedres |
| 903 | Distributel | In Service | Rigaud |
| 904 | Distributel | In Service | Ste-Marthe |
| 905 | Distributel | In Service | Franklin Centre |
| 906 | Distributel | In Service | Ste-Justine-de-Newton |
| 907 | Distributel | In Service | St-Clet |
| 908 | Distributel | In Service | Coteau-du-Lac |
| 909 | Distributel | In Service | St-Polycarpe |
| 910 | Distributel | In Service | Coteau-Landing |
| 912 | Distributel | In Service | Ormstown |
| 913 | Distributel | In Service | Huntingdon |
| 915 | Distributel | In Service | Riviere-Beaudette |
| 279 | Fibernetics Corporation | In Service | Ste-Rose |
| 333 | Fibernetics Corporation | In Service | St-Marc |
| 349 | Fibernetics Corporation | In Service | Mirabel-St-Augustin |
| 350 | Fibernetics Corporation | In Service | Mirabel-Ste-Scholastique |
| 351 | Fibernetics Corporation | In Service | Oka |
| 352 | Fibernetics Corporation | In Service | St-Eustache |
| 377 | Fibernetics Corporation | In Service | Joliette |
| 378 | Fibernetics Corporation | In Service | Ste-Therese |
| 379 | Fibernetics Corporation | In Service | Laval-Ouest |
| 380 | Fibernetics Corporation | In Service | Granby |
| 381 | Fibernetics Corporation | In Service | St-Jean |
| 382 | Fibernetics Corporation | In Service | St-Lambert |
| 392 | Fibernetics Corporation | In Service | St-Jean |
| 412 | Fibernetics Corporation | In Service | Bedford |
| 413 | Fibernetics Corporation | In Service | Clarenceville |
| 414 | Fibernetics Corporation | In Service | Farnham |
| 415 | Fibernetics Corporation | In Service | Hemmingford |
| 416 | Fibernetics Corporation | In Service | Henryville |
| 417 | Fibernetics Corporation | In Service | Lacolle |
| 418 | Fibernetics Corporation | In Service | Napierville |
| 419 | Fibernetics Corporation | In Service | St-Blaise |
| 455 | Fibernetics Corporation | In Service | St-Alphonse-de-Rodriguez |
| 456 | Fibernetics Corporation | In Service | St-Barthelemy |
| 457 | Fibernetics Corporation | In Service | Ste-Julienne |
| 458 | Fibernetics Corporation | In Service | St-Felix-de-Valois |
| 459 | Fibernetics Corporation | In Service | St-Gabriel-de-Brandon |
| 460 | Fibernetics Corporation | In Service | St-Jacques |
| 461 | Fibernetics Corporation | In Service | St-Jean-de-Matha |
| 462 | Fibernetics Corporation | In Service | St-Michel-des-Saints |
| 463 | Fibernetics Corporation | In Service | St-Zenon |
| 464 | Fibernetics Corporation | In Service | St-Calixte-de-Kilkenny |
| 465 | Fibernetics Corporation | In Service | St-Hippolyte |
| 466 | Fibernetics Corporation | In Service | St-Lin |
| 467 | Fibernetics Corporation | In Service | Mascouche |
| 468 | Fibernetics Corporation | In Service | Terrebonne |
| 493 | Fibernetics Corporation | In Service | Sorel |
| 494 | Fibernetics Corporation | In Service | Pierreville |
| 495 | Fibernetics Corporation | In Service | St-Denis |
| 496 | Fibernetics Corporation | In Service | St-Pie-de-Guire |
| 497 | Fibernetics Corporation | In Service | St-Zephirin |
| 498 | Fibernetics Corporation | In Service | Yamaska |
| 504 | Fibernetics Corporation | In Service | St-Hyacinthe |
| 505 | Fibernetics Corporation | In Service | Laval-Est |
| 506 | Fibernetics Corporation | In Service | Laval-Ouest |
| 507 | Fibernetics Corporation | In Service | Terrebonne |
| 513 | Fibernetics Corporation | In Service | Chateauguay |
| 514 | Fibernetics Corporation | In Service | Beauharnois |
| 515 | Fibernetics Corporation | In Service | St-Chrysostome |
| 516 | Fibernetics Corporation | In Service | St-Constant |
| 517 | Fibernetics Corporation | In Service | St-Remi |
| 518 | Fibernetics Corporation | In Service | Ste-Martine |
| 519 | Fibernetics Corporation | In Service | Howick |
| 521 | Fibernetics Corporation | In Service | Eastman |
| 522 | Fibernetics Corporation | In Service | Frelighsburg |
| 523 | Fibernetics Corporation | In Service | Mansonville |
| 524 | Fibernetics Corporation | In Service | St-Paul-DAbbotsford |
| 561 | Fibernetics Corporation | In Service | Mirabel-Aeroport |
| 562 | Fibernetics Corporation | In Service | Ste-Anne-des-Plaines |
| 563 | Fibernetics Corporation | In Service | Ste-Therese |
| 570 | Fibernetics Corporation | In Service | Cowansville |
| 571 | Fibernetics Corporation | In Service | Knowlton |
| 572 | Fibernetics Corporation | In Service | Marieville |
| 573 | Fibernetics Corporation | In Service | Varennes |
| 578 | Fibernetics Corporation | In Service | St-Vincent-de-Paul |
| 622 | Fibernetics Corporation | In Service | Ste-Julie-de-Vercheres |
| 623 | Fibernetics Corporation | In Service | Vercheres |
| 674 | Fibernetics Corporation | In Service | Bromont |
| 675 | Fibernetics Corporation | In Service | Dunham |
| 676 | Fibernetics Corporation | In Service | St-Cesaire |
| 677 | Fibernetics Corporation | In Service | Sutton |
| 678 | Fibernetics Corporation | In Service | Waterloo |
| 679 | Fibernetics Corporation | In Service | Chomedey |
| 715 | Fibernetics Corporation | In Service | Boucherville |
| 716 | Fibernetics Corporation | In Service | Chambly |
| 717 | Fibernetics Corporation | In Service | Longueuil |
| 779 | Fibernetics Corporation | In Service | Pont-Viau |
| 874 | Fibernetics Corporation | In Service | Cowansville |
| 875 | Fibernetics Corporation | In Service | Granby |
| 880 | Fibernetics Corporation | In Service | St-Lambert |
| 881 | Fibernetics Corporation | In Service | Longueuil |
| 882 | Fibernetics Corporation | In Service | Boucherville |
| 883 | Fibernetics Corporation | In Service | Beloeil |
| 884 | Fibernetics Corporation | In Service | St-Bruno |
| 885 | Fibernetics Corporation | In Service | Chambly |
| 886 | Fibernetics Corporation | In Service | Laprairie |
| 887 | Fibernetics Corporation | In Service | St-Jerome |
| 893 | Fibernetics Corporation | In Service | St-Hyacinthe |
| 894 | Fibernetics Corporation | In Service | St-Damase |
| 895 | Fibernetics Corporation | In Service | Ste-Madeleine |
| 896 | Fibernetics Corporation | In Service | St-Pie |
| 897 | Fibernetics Corporation | In Service | Actonvale |
| 932 | Fibernetics Corporation | In Service | Chateauguay |
| 933 | Fibernetics Corporation | In Service | Joliette |
| 979 | Fibernetics Corporation | In Service | Laval-Est |
| 980 | Fibernetics Corporation | In Service | St-Jerome |
| 981 | Fibernetics Corporation | In Service | St-Eustache |
| 982 | Fibernetics Corporation | In Service | Sorel |
| 860 | Fido Solutions Inc. | In Service | Chateauguay |
| 862 | Fido Solutions Inc. | In Service | St-Eustache |
| 863 | Fido Solutions Inc. | In Service | Terrebonne |
| 864 | Fido Solutions Inc. | In Service | Rawdon |
| 865 | Fido Solutions Inc. | In Service | Lanoraie |
| 330 | ISP Telecom | In Service | Marieville |
| 331 | ISP Telecom | In Service | Vercheres |
| 332 | ISP Telecom | In Service | Howick |
| 334 | ISP Telecom | In Service | St-Cesaire |
| 336 | ISP Telecom | In Service | Waterloo |
| 343 | ISP Telecom | In Service | Frelighsburg |
| 383 | ISP Telecom | In Service | Clarenceville |
| 384 | ISP Telecom | In Service | Henryville |
| 385 | ISP Telecom | In Service | Bromont |
| 386 | ISP Telecom | In Service | Dunham |
| 387 | ISP Telecom | In Service | Knowlton |
| 388 | ISP Telecom | In Service | Sutton |
| 389 | ISP Telecom | In Service | Ste-Julienne |
| 390 | ISP Telecom | In Service | Oka |
| 391 | ISP Telecom | In Service | Pierreville |
| 395 | ISP Telecom | In Service | Huntingdon |
| 396 | ISP Telecom | In Service | Franklin Centre |
| 397 | ISP Telecom | In Service | Ormstown |
| 469 | ISP Telecom | In Service | Eastman |
| 470 | ISP Telecom | In Service | Lanoraie |
| 471 | ISP Telecom | In Service | Crabtree |
| 472 | ISP Telecom | In Service | Berthierville |
| 473 | ISP Telecom | In Service | Rawdon |
| 474 | ISP Telecom | In Service | Le Gardeur |
| 475 | ISP Telecom | In Service | LEpiphanie-lAssomption |
| 476 | ISP Telecom | In Service | St-Sauveur |
| 477 | ISP Telecom | In Service | Ste-Therese |
| 478 | ISP Telecom | In Service | Mirabel-Aeroport |
| 479 | ISP Telecom | In Service | Ste-Anne-des-Plaines |
| 480 | ISP Telecom | In Service | St-Hyacinthe |
| 481 | ISP Telecom | In Service | St-Denis |
| 551 | ISP Telecom | In Service | Mirabel-St-Augustin |
| 565 | ISP Telecom | In Service | St-Calixte-de-Kilkenny |
| 566 | ISP Telecom | In Service | St-Hippolyte |
| 567 | ISP Telecom | In Service | St-Lin |
| 701 | ISP Telecom | In Service | St-Marc |
| 768 | ISP Telecom | In Service | Mansonville |
| 769 | ISP Telecom | In Service | St-Paul-DAbbotsford |
| 817 | ISP Telecom | In Service | Lachute |
| 889 | ISP Telecom | In Service | St-Blaise |
| 890 | ISP Telecom | In Service | St-Zenon |
| 891 | ISP Telecom | In Service | Yamaska |
| 892 | ISP Telecom | In Service | Actonvale |
| 399 | IXICA Communications Inc. | In Service | Chomedey |
| 510 | IXICA Communications Inc. | In Service | St-Cesaire |
| 520 | IXICA Communications Inc. | In Service | St-Paul-DAbbotsford |
| 560 | IXICA Communications Inc. | In Service | Sutton |
| 577 | IXICA Communications Inc. | In Service | St-Vincent-de-Paul |
| 580 | IXICA Communications Inc. | In Service | Waterloo |
| 590 | IXICA Communications Inc. | In Service | Ste-Rose |
| 599 | IXICA Communications Inc. | In Service | Laval-Est |
| 699 | IXICA Communications Inc. | In Service | Laval-Ouest |
| 707 | IXICA Communications Inc. | In Service | Frelighsburg |
| 709 | IXICA Communications Inc. | In Service | St-Jean |
| 710 | IXICA Communications Inc. | In Service | Knowlton |
| 744 | IXICA Communications Inc. | In Service | Eastman |
| 750 | IXICA Communications Inc. | In Service | Bromont |
| 755 | IXICA Communications Inc. | In Service | Dunham |
| 770 | IXICA Communications Inc. | In Service | Cowansville |
| 775 | IXICA Communications Inc. | In Service | Pont-Viau |
| 777 | IXICA Communications Inc. | In Service | Granby |
| 780 | IXICA Communications Inc. | In Service | Mansonville |
| 660 | InnSysVoice Corp | In Service | Laval-Est |
| 661 | InnSysVoice Corp | In Service | Laval-Ouest |
| 662 | InnSysVoice Corp | In Service | Pont-Viau |
| 663 | InnSysVoice Corp | In Service | Ste-Rose |
| 664 | InnSysVoice Corp | In Service | St-Vincent-de-Paul |
| 666 | InnSysVoice Corp | In Service | Chomedey |
| 300 | Iristel Inc. | In Service | Pont-Viau |
| 302 | Iristel Inc. | In Service | Pont-Viau |
| 400 | Iristel Inc. | In Service | Marieville |
| 401 | Iristel Inc. | In Service | Marieville |
| 485 | Iristel Inc. | In Service | St-Eustache |
| 486 | Iristel Inc. | In Service | St-Eustache |
| 500 | Iristel Inc. | In Service | Joliette |
| 501 | Iristel Inc. | In Service | Joliette |
| 502 | Iristel Inc. | In Service | Joliette |
| 509 | Iristel Inc. | In Service | St-Hyacinthe |
| 539 | Iristel Inc. | In Service | Chomedey |
| 550 | Iristel Inc. | In Service | Longueuil |
| 569 | Iristel Inc. | In Service | Laval-Est |
| 589 | Iristel Inc. | In Service | Granby |
| 600 | Iristel Inc. | In Service | Beloeil |
| 700 | Iristel Inc. | In Service | St-Jean |
| 759 | Iristel Inc. | In Service | Sorel |
| 790 | Iristel Inc. | In Service | Valleyfield |
| 791 | Iristel Inc. | In Service | Lachute |
| 792 | Iristel Inc. | In Service | Lanoraie |
| 793 | Iristel Inc. | In Service | Sorel |
| 794 | Iristel Inc. | In Service | St-Jean |
| 795 | Iristel Inc. | In Service | LEpiphanie-lAssomption |
| 796 | Iristel Inc. | In Service | LEpiphanie-lAssomption |
| 798 | Iristel Inc. | In Service | Lachute |
| 800 | Iristel Inc. | In Service | Laprairie |
| 801 | Iristel Inc. | In Service | St-Jean |
| 802 | Iristel Inc. | In Service | Valleyfield |
| 803 | Iristel Inc. | In Service | Lachute |
| 804 | Iristel Inc. | In Service | Laval-Est |
| 805 | Iristel Inc. | In Service | Laval-Ouest |
| 806 | Iristel Inc. | In Service | Laprairie |
| 807 | Iristel Inc. | In Service | Laval-Est |
| 809 | Iristel Inc. | In Service | St-Bruno |
| 827 | Iristel Inc. | In Service | Valleyfield |
| 829 | Iristel Inc. | In Service | Valleyfield |
| 899 | Iristel Inc. | In Service | St-Lin |
| 900 | Iristel Inc. | In Service | Boucherville |
| 914 | Iristel Inc. | In Service | Terrebonne |
| 977 | Iristel Inc. | In Service | Chateauguay |
| 978 | Iristel Inc. | In Service | Laval-Ouest |
| 986 | Iristel Inc. | In Service | LEpiphanie-lAssomption |
| 987 | Iristel Inc. | In Service | Ste-Therese |
| 988 | Iristel Inc. | In Service | Ste-Therese |
| 990 | Iristel Inc. | In Service | St-Jerome |
| 991 | Iristel Inc. | In Service | St-Jerome |
| 992 | Iristel Inc. | In Service | Lanoraie |
| 993 | Iristel Inc. | In Service | St-Lin |
| 994 | Iristel Inc. | In Service | Granby |
| 995 | Iristel Inc. | In Service | St-Sauveur |
| 996 | Iristel Inc. | In Service | St-Lin |
| 997 | Iristel Inc. | In Service | St-Hyacinthe |
| 998 | Iristel Inc. | In Service | St-Jerome |
| 999 | Iristel Inc. | In Service | Longueuil |
| 872 | Rogers Communications Canada Inc. (Cable) | In Service | Boucherville |
| 876 | Rogers Communications Canada Inc. (Cable) | In Service | Granby |
| 877 | Rogers Communications Canada Inc. (Cable) | In Service | Valleyfield |
| 878 | Rogers Communications Canada Inc. (Cable) | In Service | Joliette |
| 879 | Rogers Communications Canada Inc. (Cable) | In Service | Chomedey |
| 684 | Rogers Communications Canada Inc. (Wireless) | In Service | Granby |
| 688 | Rogers Communications Canada Inc. (Wireless) | In Service | St-Jerome |
| 483 | TELUS Mobility | In Service | Bedford |
| 484 | TELUS Mobility | In Service | St-Hyacinthe |
| 488 | TELUS Mobility | In Service | Granby |
| 489 | TELUS Mobility | In Service | St-Hyacinthe |
| 490 | TELUS Mobility | In Service | Vaudreuil |
| 491 | TELUS Mobility | In Service | Valleyfield |
| 492 | TELUS Mobility | In Service | Sorel |
| 593 | TELUS Mobility | In Service | Joliette |
| 594 | TELUS Mobility | In Service | Granby |
| 595 | TELUS Mobility | In Service | Granby |
| 764 | TELUS Mobility | In Service | Ste-Therese |
| 765 | TELUS Mobility | In Service | St-Jerome |
| 766 | TELUS Mobility | In Service | Joliette |
| 888 | TELUS Mobility | In Service | St-Jerome |
| 985 | TELUS Mobility | In Service | St-Jean |
| 200 | TELUS Quebec | In Service | Lachute |
| 201 | TELUS Quebec | In Service | St-Sauveur |
| 202 | TELUS Quebec | In Service | Ste-Adele |
| 203 | TELUS Quebec | In Service | Brownsburg |
| 204 | TELUS Quebec | In Service | Ste-Rose |
| 205 | TELUS Quebec | In Service | Yamaska |
| 206 | TELUS Quebec | In Service | Pierreville |
| 207 | TELUS Quebec | In Service | St-Barthelemy |
| 208 | TELUS Quebec | In Service | Berthierville |
| 209 | TELUS Quebec | In Service | Farnham |
| 210 | TELUS Quebec | In Service | Vercheres |
| 212 | TELUS Quebec | In Service | Cowansville |
| 213 | TELUS Quebec | In Service | Granby |
| 214 | TELUS Quebec | In Service | Longueuil |
| 215 | TELUS Quebec | In Service | Boucherville |
| 216 | TELUS Quebec | In Service | Cowansville |
| 217 | TELUS Quebec | In Service | Vaudreuil |
| 218 | TELUS Quebec | In Service | Laval-Est |
| 219 | TELUS Quebec | In Service | Laval-Ouest |
| 220 | TELUS Quebec | In Service | Chambly |
| 221 | TELUS Quebec | In Service | Laprairie |
| 222 | TELUS Quebec | In Service | Marieville |
| 223 | TELUS Quebec | In Service | St-Bruno |
| 224 | TELUS Quebec | In Service | St-Jean |
| 225 | TELUS Quebec | In Service | St-Hyacinthe |
| 226 | TELUS Quebec | In Service | Ste-Therese |
| 227 | TELUS Quebec | In Service | Rigaud |
| 228 | TELUS Quebec | In Service | Ste-Rosalie |
| 229 | TELUS Quebec | In Service | Beloeil |
| 230 | TELUS Quebec | In Service | Boucherville |
| 231 | TELUS Quebec | In Service | Chomedey |
| 232 | TELUS Quebec | In Service | Granby |
| 233 | TELUS Quebec | In Service | Le Gardeur |
| 234 | TELUS Quebec | In Service | Longueuil |
| 235 | TELUS Quebec | In Service | Mascouche |
| 236 | TELUS Quebec | In Service | Pont-Viau |
| 237 | TELUS Quebec | In Service | Ste-Rose |
| 238 | TELUS Quebec | In Service | Ste-Therese |
| 239 | TELUS Quebec | In Service | St-Hyacinthe |
| 240 | TELUS Quebec | In Service | St-Jerome |
| 241 | TELUS Quebec | In Service | St-Lambert |
| 242 | TELUS Quebec | In Service | St-Vincent-de-Paul |
| 243 | TELUS Quebec | In Service | Sorel |
| 244 | TELUS Quebec | In Service | Joliette |
| 245 | TELUS Quebec | In Service | Saint-Liboire |
| 246 | TELUS Quebec | In Service | Valcourt |
| 247 | TELUS Quebec | In Service | Roxton Falls |
| 248 | TELUS Quebec | In Service | Joliette |
| 249 | TELUS Quebec | In Service | Sorel |
| 250 | TELUS Quebec | In Service | Valleyfield |
| 251 | TELUS Quebec | In Service | St-Eustache |
| 252 | TELUS Quebec | In Service | Chomedey |
| 253 | TELUS Quebec | In Service | Ste-Julie-de-Vercheres |
| 254 | TELUS Quebec | In Service | Mirabel-Aeroport |
| 256 | TELUS Quebec | In Service | Bromont |
| 265 | TELUS Quebec | In Service | Huntingdon |
| 281 | TELUS Quebec | In Service | St-Jerome |
| 282 | TELUS Quebec | In Service | St-Calixte-de-Kilkenny |
| 283 | TELUS Quebec | In Service | St-Lin |
| 284 | TELUS Quebec | In Service | St-Hippolyte |
| 285 | TELUS Quebec | In Service | St-Vincent-de-Paul |
| 286 | TELUS Quebec | In Service | Ste-Marguerite |
| 287 | TELUS Quebec | In Service | Berthierville |
| 289 | TELUS Quebec | In Service | Lavaltrie |
| 290 | TELUS Quebec | In Service | Rawdon |
| 291 | TELUS Quebec | In Service | Crabtree |
| 292 | TELUS Quebec | In Service | Le Gardeur |
| 293 | TELUS Quebec | In Service | Lanoraie |
| 294 | TELUS Quebec | In Service | LEpiphanie-lAssomption |
| 295 | TELUS Quebec | In Service | Henryville |
| 296 | TELUS Quebec | In Service | St-Jean |
| 297 | TELUS Quebec | In Service | Bedford |
| 298 | TELUS Quebec | In Service | Lacolle |
| 299 | TELUS Quebec | In Service | Hemmingford |
| 301 | TELUS Quebec | In Service | Napierville |
| 367 | TELUS Quebec | In Service | St-Hippolyte |
| 376 | TELUS Quebec | In Service | Hemmingford |
| 733 | TELUS Quebec | In Service | St-Alphonse-de-Rodriguez |
| 734 | TELUS Quebec | In Service | St-Eustache |
| 820 | TELUS Quebec | In Service | St-Remi |
| 821 | TELUS Quebec | In Service | Ste-Victoire |
| 822 | TELUS Quebec | In Service | Mansonville |
| 823 | TELUS Quebec | In Service | Eastman |
| 824 | TELUS Quebec | In Service | St-Ours |
| 825 | TELUS Quebec | In Service | Contrecoeur |
| 826 | TELUS Quebec | In Service | Mirabel-St-Augustin |
| 830 | TELUS Quebec | In Service | Coteau-Landing |
| 831 | TELUS Quebec | In Service | Knowlton |
| 832 | TELUS Quebec | In Service | Riviere-Beaudette |
| 833 | TELUS Quebec | In Service | St-Denis |
| 834 | TELUS Quebec | In Service | Ste-Justine-de-Newton |
| 835 | TELUS Quebec | In Service | St-Marc |
| 836 | TELUS Quebec | In Service | St-Pie-de-Guire |
| 837 | TELUS Quebec | In Service | St-Polycarpe |
| 839 | TELUS Quebec | In Service | Beauharnois |
| 840 | TELUS Quebec | In Service | Chateauguay |
| 841 | TELUS Quebec | In Service | Joliette |
| 842 | TELUS Quebec | In Service | St-Alphonse-de-Rodriguez |
| 843 | TELUS Quebec | In Service | St-Barthelemy |
| 844 | TELUS Quebec | In Service | St-Felix-de-Valois |
| 845 | TELUS Quebec | In Service | St-Constant |
| 846 | TELUS Quebec | In Service | Ste-Martine |
| 847 | TELUS Quebec | In Service | Chomedey |
| 849 | TELUS Quebec | In Service | St-Hyacinthe |
| 850 | TELUS Quebec | In Service | Waterloo |
| 852 | TELUS Quebec | In Service | St-Aime |
| 853 | TELUS Quebec | In Service | Ste-Helene-de-Bagot |
| 854 | TELUS Quebec | In Service | St-Hugues |
| 855 | TELUS Quebec | In Service | St-Simon |
| 856 | TELUS Quebec | In Service | St-Jude |
| 962 | TELUS Quebec | In Service | Morin Heights |
| 499 | Telebec Ltee. | In Service | Notre-Dame-de-Stanbridge |
| 757 | Telebec Ltee. | In Service | Contrecoeur |
| 848 | Telebec Ltee. | In Service | St-Thomas-dAquin |
| 258 | Telecommunications Xittel Inc | In Service | Rawdon |
| 259 | Telecommunications Xittel Inc | In Service | Le Gardeur |
| 260 | Telecommunications Xittel Inc | In Service | Lavaltrie |
| 261 | Telecommunications Xittel Inc | In Service | Lanoraie |
| 262 | Telecommunications Xittel Inc | In Service | LEpiphanie-lAssomption |
| 263 | Telecommunications Xittel Inc | In Service | Berthierville |
| 264 | Telecommunications Xittel Inc | In Service | Crabtree |
| 280 | Videotron Ltd. | In Service | St-Constant |
| 357 | Videotron Ltd. | In Service | St-Gabriel-de-Brandon |
| 358 | Videotron Ltd. | In Service | Berthierville |
| 359 | Videotron Ltd. | In Service | Lanoraie |
| 360 | Videotron Ltd. | In Service | Contrecoeur |
| 361 | Videotron Ltd. | In Service | Granby |
| 362 | Videotron Ltd. | In Service | St-Jean |
| 363 | Videotron Ltd. | In Service | Sorel |
| 364 | Videotron Ltd. | In Service | St-Jean-de-Matha |
| 365 | Videotron Ltd. | In Service | Granby |
| 366 | Videotron Ltd. | In Service | Lachute |
| 368 | Videotron Ltd. | In Service | St-Jerome |
| 369 | Videotron Ltd. | In Service | Sorel |
| 370 | Videotron Ltd. | In Service | Notre-Dame-de-Stanbridge |
| 371 | Videotron Ltd. | In Service | St-Hyacinthe |
| 372 | Videotron Ltd. | In Service | St-Jean |
| 373 | Videotron Ltd. | In Service | St-Sauveur |
| 374 | Videotron Ltd. | In Service | Pierreville |
| 375 | Videotron Ltd. | In Service | Venise-en-Quebec |
| 394 | Videotron Ltd. | In Service | Ste-Sabine |
| 420 | Videotron Ltd. | In Service | Granby |
| 421 | Videotron Ltd. | In Service | Longueuil |
| 422 | Videotron Ltd. | In Service | St-Hippolyte |
| 423 | Videotron Ltd. | In Service | Longueuil |
| 430 | Videotron Ltd. | In Service | Napierville |
| 431 | Videotron Ltd. | In Service | Lacolle |
| 432 | Videotron Ltd. | In Service | St-Blaise |
| 433 | Videotron Ltd. | In Service | Bedford |
| 434 | Videotron Ltd. | In Service | St-Remi |
| 435 | Videotron Ltd. | In Service | St-Constant |
| 436 | Videotron Ltd. | In Service | Sutton |
| 438 | Videotron Ltd. | In Service | Knowlton |
| 440 | Videotron Ltd. | In Service | Frelighsburg |
| 441 | Videotron Ltd. | In Service | Mansonville |
| 528 | Videotron Ltd. | In Service | Ste-Adele |
| 529 | Videotron Ltd. | In Service | Valcourt |
| 530 | Videotron Ltd. | In Service | Franklin Centre |
| 531 | Videotron Ltd. | In Service | Mansonville |
| 532 | Videotron Ltd. | In Service | Eastman |
| 533 | Videotron Ltd. | In Service | Knowlton |
| 534 | Videotron Ltd. | In Service | Sutton |
| 535 | Videotron Ltd. | In Service | Frelighsburg |
| 536 | Videotron Ltd. | In Service | Napierville |
| 537 | Videotron Ltd. | In Service | Bedford |
| 538 | Videotron Ltd. | In Service | Lacolle |
| 559 | Videotron Ltd. | In Service | Joliette |
| 630 | Videotron Ltd. | In Service | Ste-Therese |
| 631 | Videotron Ltd. | In Service | Pont-Viau |
| 632 | Videotron Ltd. | In Service | Lachute |
| 633 | Videotron Ltd. | In Service | St-Eustache |
| 634 | Videotron Ltd. | In Service | St-Jerome |
| 635 | Videotron Ltd. | In Service | Le Gardeur |
| 636 | Videotron Ltd. | In Service | Joliette |
| 637 | Videotron Ltd. | In Service | Ste-Therese |
| 638 | Videotron Ltd. | In Service | Vaudreuil |
| 639 | Videotron Ltd. | In Service | Mascouche |
| 640 | Videotron Ltd. | In Service | Chomedey |
| 641 | Videotron Ltd. | In Service | Ste-Rose |
| 642 | Videotron Ltd. | In Service | Mirabel-Aeroport |
| 643 | Videotron Ltd. | In Service | Berthierville |
| 644 | Videotron Ltd. | In Service | Lanoraie |
| 645 | Videotron Ltd. | In Service | St-Michel-des-Saints |
| 720 | Videotron Ltd. | In Service | St-Lambert |
| 721 | Videotron Ltd. | In Service | Longueuil |
| 722 | Videotron Ltd. | In Service | Henryville |
| 723 | Videotron Ltd. | In Service | St-Lambert |
| 730 | Videotron Ltd. | In Service | St-Jerome |
| 930 | Videotron Ltd. | In Service | St-Pie |
| 934 | Videotron Ltd. | In Service | Chomedey |
| 957 | Videotron Ltd. | In Service | Longueuil |
| 960 | Videotron Ltd. | In Service | Joliette |
| 961 | Videotron Ltd. | In Service | Valleyfield |
20.6% of the exchanges in this area code are still available.