| 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 |
|---|---|---|
| 403-601 | High River | Landline |
| 403-429 | Rocky Mountain House | Wireless |
| 403-940 | Carstairs | Landline |
| 403-831 | Calgary | Wireless |
| 403-330 | Lethbridge | Landline |
| 403-214 | Calgary | Landline |
| 403-279 | Calgary | Landline |
| 403-461 | Calgary | Wireless |
| 403-249 | Calgary | Landline |
| 403-489 | Claresholm | Wireless |
| 403-402 | Calgary | Wireless |
| 403-366 | Calgary | Landline |
| 403-918 | Calgary | Wireless |
| 403-607 | Calgary | Wireless |
| 403-785 | Ponoka | Landline |
| 403-554 | Calgary | Wireless |
| 403-630 | Calgary | Wireless |
| 403-346 | Red Deer | Landline |
| 403-720 | Calgary | Landline |
| 403-872 | Red Deer | Wireless |