| 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 |
|---|---|---|
| 403-400 | Calgary | Landline |
| 403-822 | East Coulee | Landline |
| 403-869 | Calgary | Wireless |
| 403-606 | Calgary | Wireless |
| 403-250 | Calgary | Landline |
| 403-757 | Barons | Landline |
| 403-612 | Calgary | Wireless |
| 403-570 | Calgary | Landline |
| 403-718 | Calgary | Landline |
| 403-823 | Drumheller | Landline |
| 403-967 | Red Deer | Landline |
| 403-938 | Okotoks | Landline |
| 403-675 | Canmore | Landline |
| 403-496 | Vulcan | Wireless |
| 403-514 | Calgary | Landline |
| 403-964 | Rolling Hills | Landline |
| 403-965 | Brocket | Landline |
| 403-337 | Carstairs | Landline |
| 403-887 | Sylvan Lake | Landline |
| 403-305 | Calgary | Wireless |