| District of Quebec area codes: 579 | |
|---|---|
| Country | Canada |
| State/Province | Quebec |
| Major City | Chomedey |
| Time Zone | Pacific |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 579-263 | Berthierville, QC | Telecommunications Xittel Inc | |
| 579-264 | Crabtree, QC | Telecommunications Xittel Inc | |
| 579-266 | Saint Lambert, QC | Comwave Networks | |
| 579-274 | Longueuil, QC | Allstream Inc. | |
| 579-275 | Saint Therese, QC | Allstream Inc. | |
| 579-279 | Stevensville, QC | Fibernetics Corporation | |
| 579-288 | Chateauguay, QC | Comwave Networks | |
| 579-300 | Pont Viau, QC | Iristel Inc. | |
| 579-379 | Laval Ouest, QC | Fibernetics Corporation | |
| 579-394 | Saint Sabine, QC | Videotron General Partnership | |
| 579-400 | Marieville, QC | Iristel Inc. | |
| 579-430 | Napierville, QC | 9163-7918 Quebec Inc | |
| 579-431 | Lacolle, QC | 9163-7918 Quebec Inc | |
| 579-432 | Saint Blaise, QC | 9163-7918 Quebec Inc | |
| 579-433 | Bedford, QC | 9163-7918 Quebec Inc | |
| 579-436 | Sutton, QC | 9163-7918 Quebec Inc | |
| 579-437 | Eastman, QC | 9163-7918 Quebec Inc | |
| 579-438 | Knowlton, QC | 9163-7918 Quebec Inc | |
| 579-439 | Waterloo, QC | 9163-7918 Quebec Inc | |
| 579-477 | Saint Therese, QC | Isp Telecom |
There are 117 prefixes, In the code area, the major cities are Chomedey, QC;Rawdon, QC;Mirabel Aeroport, QC;Granb. The major city is Chomedey.