| General Information about Area Code 450 | |
|---|---|
| Country | Canada |
| State / Province / Territory | Quebec |
| Major City | Crabtree |
| Time Zone | Eastern (UTC-05:00) |
| Prefix | Primary City | Phone Type |
|---|---|---|
| 450-924 | Saint Hyacinthe | Landline |
| 450-989 | Saint Victoire | Landline |
| 450-542 | Saint Jean | Landline |
| 450-219 | Valleyfield | Landline |
| 450-748 | Longueuil | Landline |
| 450-410 | Saint Hugues | Landline |
| 450-782 | Saint Victoire | Landline |
| 450-374 | Valleyfield | Wireless |
| 450-553 | Saint Jerome | Landline |
| 450-554 | Farnham | Landline |
| 450-829 | Ormstown | Landline |
| 450-503 | Contrecoeur | Wireless |
| 450-786 | Pont Viau | Landline |
| 450-472 | Saint Eustache | Landline |
| 450-323 | Saint Eustache | Landline |
| 450-772 | Saint Pie | Landline |
| 450-890 | Saint Lambert | Landline |
| 450-490 | Pont Viau | Landline |
| 450-599 | Saint Pie | Landline |
| 450-492 | Terrebonne | Landline |