| District of Quebec area codes: 450 | |
|---|---|
| Country | Canada |
| State/Province | Quebec |
| Major City | Roxton Falls |
| Time Zone | Eastern |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 450-471 | Terrebonne, QC | Bell Canada | |
| 450-472 | Saint Eustache, QC | Bell Canada | |
| 450-473 | Saint Eustache, QC | Bell Canada | |
| 450-474 | Mascouche, QC | Bell Canada | |
| 450-475 | Mirabel St Augustin, QC | Bell Canada | |
| 450-476 | Mirabel Aeroport, QC | Bell Canada | |
| 450-477 | Mascouche, QC | Bell Canada | |
| 450-478 | Saint Anne Des Plaines, QC | Bell Canada | |
| 450-479 | Oka, QC | Bell Canada | |
| 450-480 | Saint Helene De Bagot, QC | Telecommunications Xittel Inc | |
| 450-481 | Saint Remi, QC | Comwave Networks | |
| 450-482 | Saint Bruno, QC | Videotron General Partnership | |
| 450-483 | Yamaska, QC | Videotron General Partnership | |
| 450-484 | Saint Hyacinthe, QC | Videotron General Partnership | |
| 450-485 | Saint Eustache, QC | Iristel Inc. | |
| 450-486 | Saint Lambert, QC | Videotron General Partnership | |
| 450-488 | Saint Thomas D Aquin, QC | Telus Quebec | |
| 450-489 | Chambly, QC | Iristel Inc. | |
| 450-490 | Pont Viau, QC | Videotron General Partnership | |
| 450-491 | Saint Eustache, QC | Bell Canada |
There are 768 prefixes, In the code area, the major cities are Roxton Falls, QC;Coteau Landing, QC;Saint Barthele. The major city is Roxton Falls.