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.
| PREFIX | COUNTY | CITY | CARRIER | TYPE |
|---|---|---|---|---|
| 579-214 | Longueuil | |||
| 579-215 | Boucherville | |||
| 579-216 | Cowansville | |||
| 579-217 | Vaudreuil-Soulanges | Vaudreuil-Dorion | ||
| 579-218 | Laval Est | |||
| 579-219 | Laval | Laval-Ouest | ||
| 579-220 | Chambly | |||
| 579-221 | Roussillon | La Prairie | ||
| 579-222 | Marieville | |||
| 579-223 | Longueuil | Saint-Bruno-de-Montarville | ||
| 579-224 | Saint Jean | |||
| 579-225 | Les Maskoutains | Saint-Hyacinthe | ||
| 579-226 | Saint Therese | |||
| 579-227 | Vaudreuil-Soulanges | Rigaud | ||
| 579-228 | Saint Rosalie | |||
| 579-229 | La Vall�e-du-Richelieu | Beloeil | ||
| 579-230 | Boucherville | |||
| 579-231 | Laval | Chomedey | ||
| 579-232 | Granby | |||
| 579-233 | Le Gardeur | |||
| 579-234 | Longueuil | Longueuil | ||
| 579-235 | Mascouche | |||
| 579-236 | Laval | Pont-Viau | ||
| 579-237 | Stevensville | |||
| 579-238 | Th�r�se-De Blainville | Sainte-Therese | ||
| 579-239 | Saint Hyacinthe | |||
| 579-240 | La Rivi�re-du-Nord | Saint-Jerome | ||
| 579-241 | Saint Lambert | |||
| 579-242 | Laval | Saint-Vincent-de-Paul | ||
| 579-243 | Sorel | |||
| 579-244 | Joliette | Joliette | ||
| 579-245 | Saint Liboire | |||
| 579-246 | Le Val-Saint-Fran�ois | Valcourt | ||
| 579-247 | Roxton Falls | |||
| 579-248 | Joliette | Joliette | ||
| 579-249 | Sorel | |||
| 579-250 | Beauharnois-Salaberry | Salaberry-de-Valleyfield | ||
| 579-251 | Saint Eustache | |||
| 579-252 | Chomedey | |||
| 579-253 | Saint Julie De Vercheres | |||
| 579-254 | Mirabel Aeroport | |||
| 579-258 | Matawinie | Rawdon | ||
| 579-259 | Le Gardeur | |||
| 579-260 | Lavaltrie | |||
| 579-261 | Lanoraie | |||
| 579-262 | Lepiplassm | |||
| 579-263 | Berthierville | |||
| 579-264 | Joliette | Crabtree | ||
| 579-266 | Saint Lambert | |||
| 579-267 | Saint Jean | |||
| 579-268 | Saint Hyacinthe | |||
| 579-269 | Sorel | |||
| 579-274 | Longueuil | Longueuil | ||
| 579-275 | Saint Therese | |||
| 579-277 | Saint Therese | |||
| 579-278 | Saint Jerome | |||
| 579-279 | Laval | Sainte-Rose | ||
| 579-288 | Chateauguay | |||
| 579-300 | Laval | Pont-Viau | ||
| 579-337 | Joliette | |||
| 579-357 | Saint Gabriel De Brandon | |||
| 579-358 | Berthierville | |||
| 579-379 | Laval Ouest | |||
| 579-394 | Les Etchemins | Sainte-Sabine | ||
| 579-400 | Marieville | |||
| 579-430 | Les Jardins-de-Napierville | Napierville | ||
| 579-431 | Lacolle | |||
| 579-432 | Le Haut-Richelieu | Saint-Blaise-sur-Richelieu | ||
| 579-433 | Bedford | |||
| 579-434 | Saint Remi |
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