| 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 |
|---|---|---|
| 403-792 | Lomond | Landline |
| 403-818 | Calgary | Wireless |
| 403-519 | Calgary | Wireless |
| 403-364 | Delia | Landline |
| 403-578 | Coronation | Landline |
| 403-747 | Alix | Landline |
| 403-288 | Calgary | Landline |
| 403-697 | Calgary | Landline |
| 403-274 | Calgary | Landline |
| 403-284 | Calgary | Landline |
| 403-221 | Calgary | Landline |
| 403-639 | Granum | Landline |
| 403-608 | Calgary | Wireless |
| 403-545 | Bow Island | Landline |
| 403-716 | Calgary | Landline |
| 403-247 | Calgary | Landline |
| 403-957 | Medicine Hat | Wireless |
| 403-615 | Calgary | Wireless |
| 403-779 | Youngstown | Landline |
| 403-227 | Innisfail | Landline |