| 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 |
|---|---|---|
| 403-603 | High River | Landline |
| 403-756 | Stirling | Landline |
| 403-592 | Calgary | Landline |
| 403-960 | Airdrie | Landline |
| 403-886 | Penhold | Landline |
| 403-383 | Calgary | Wireless |
| 403-203 | Calgary | Landline |
| 403-873 | Calgary | Landline |
| 403-414 | Oyen | Wireless |
| 403-237 | Calgary | Landline |
| 403-740 | Stettler | Landline |
| 403-319 | Calgary | Landline |
| 403-765 | Calgary | Landline |
| 403-436 | Drumheller | Wireless |
| 403-676 | Sibbald | Landline |
| 403-316 | Airdrie | Landline |
| 403-392 | Red Deer | Wireless |
| 403-405 | Coaldale | Landline |
| 403-814 | Strathmore | Landline |
| 403-972 | Acadia Valley | Landline |