| 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 |
|---|---|---|
| 403-858 | Sylvan Lake | Landline |
| 403-864 | Sylvan Lake | Landline |
| 403-465 | Calgary | Wireless |
| 403-971 | Calgary | Wireless |
| 403-770 | Calgary | Landline |
| 403-970 | Calgary | Wireless |
| 403-526 | Medicine Hat | Landline |
| 403-682 | Claresholm | Landline |
| 403-500 | Calgary | Landline |
| 403-990 | Calgary | Wireless |
| 403-272 | Calgary | Landline |
| 403-208 | Calgary | Landline |
| 403-220 | Calgary | Landline |
| 403-705 | Calgary | Landline |
| 403-942 | Lethbridge | Landline |
| 403-432 | Port Perry | Wireless |
| 403-890 | Calgary | Wireless |
| 403-238 | Calgary | Landline |
| 403-862 | Calgary | Wireless |
| 403-533 | Rockyford | Landline |