Area code 579 was first put in service August 21, 2010. Currently, the largest city it serves is Granby, QC, and it overlaps coverage areas with area code 450.
Bedford, Beloeil, Berthierville, Boucherville, Chambly, Chateauguay, Chomedey, Crabtree, Dunham, Eastman, Granby, Joliette, Knowlton, L'Epiphanie-l'Assomption, Lacolle, Lanoraie, Laprairie, Laval-Est, Laval-Ouest, Lavaltrie, Le Gardeur, Longueuil, Mansonville, Marieville, Mascouche, Mirabel-Aeroport, Mirabel-St-Augustin, Mirabel-Ste-Scholastique, Napierville, Oka, Pont-Viau, Rawdon, Rigaud, Roxton Falls, Saint-Liboire, Sorel, St-Blaise, St-Bruno, St-Cesaire, St-Eustache, St-Hyacinthe, St-Jean, St-Jerome, St-Lambert, St-Vincent-de-Paul, Ste-Anne-des-Plaines, Ste-Rosalie, Ste-Rose, Ste-Sabine, Ste-Therese, Sutton, Terrebonne, Valcourt, Valleyfield, Vaudreuil, Waterloo.
| Phone Number 579-362-9443 |
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City Longueuil |
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| Phone Number 579-755-8571 |
USAGE Landline |
City Longueuil |
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| Phone Number 579-566-8181 |
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City Longueuil |
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| Phone Number 579-475-9154 |
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City Longueuil |
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| Phone Number 579-661-8477 |
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City Longueuil |
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| Phone Number 579-600-6524 |
USAGE Landline |
City Beloeil |
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| Phone Number 579-889-8011 |
USAGE Landline |
City Beloeil |
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| Phone Number 579-330-6826 |
USAGE Landline |
City Beloeil |
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Update Time Mar-26-2026 |
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