| 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 |
|---|---|---|
| 403-929 | Lethbridge | Wireless |
| 403-350 | Red Deer | Landline |
| 403-394 | Lethbridge | Landline |
| 403-207 | Calgary | Landline |
| 403-806 | Calgary | Landline |
| 403-988 | Calgary | Wireless |
| 403-430 | Stettler | Wireless |
| 403-635 | Lethbridge | Wireless |
| 403-928 | Medicine Hat | Wireless |
| 403-576 | Veteran | Landline |
| 403-318 | Red Deer | Wireless |
| 403-480 | Strathmore | Landline |
| 403-299 | Calgary | Landline |
| 403-852 | Calgary | Wireless |
| 403-201 | Calgary | Landline |
| 403-633 | Brooks | Wireless |
| 403-527 | Medicine Hat | Landline |
| 403-951 | Banff | Wireless |
| 403-528 | Medicine Hat | Landline |
| 403-795 | Lethbridge | Wireless |