| General Information about Area Code 403 | |
|---|---|
| Country | Canada |
| State / Province / Territory | Alberta |
| Major City | Calgary |
| Time Zone | Mountain (UTC-07:00) |
| Prefix | Primary City | Phone Type |
|---|---|---|
| 403-815 | Calgary | Wireless |
| 403-493 | Canmore | Wireless |
| 403-897 | Champion | Landline |
| 403-575 | Veteran | Landline |
| 403-450 | Calgary | Landline |
| 403-796 | Calgary | Wireless |
| 403-560 | Calgary | Wireless |
| 403-529 | Medicine Hat | Landline |
| 403-597 | Red Deer | Wireless |
| 403-537 | Calgary | Landline |
| 403-836 | Calgary | Wireless |
| 403-664 | Oyen | Landline |
| 403-469 | High River | Landline |
| 403-401 | Calgary | Wireless |
| 403-640 | Calgary | Landline |
| 403-510 | Calgary | Wireless |
| 403-658 | Bentley | Landline |
| 403-348 | Red Deer | Landline |
| 403-688 | Canmore | Wireless |
| 403-552 | Altario | Landline |