| District of Alberta area codes: 403 | |
|---|---|
| Country | Canada |
| State/Province | Alberta |
| Major City | Sibbald |
| Time Zone | Mountain |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 403-834 | Irvine, AB | Telus | |
| 403-835 | Calgary, AB | Bell Mobility | |
| 403-836 | Calgary, AB | Bell Mobility | |
| 403-837 | Calgary, AB | Bell Mobility | |
| 403-838 | Hilda, AB | Telus | |
| 403-839 | Schuler, AB | Telus | |
| 403-840 | Cochrane, AB | Shaw Telecom Inc. | |
| 403-841 | High River, AB | Shaw Telecom Inc. | |
| 403-842 | Okotoks, AB | Shaw Telecom Inc. | |
| 403-843 | Rimbey, AB | Telus | |
| 403-844 | Rocky Mountain House, AB | Telus | |
| 403-845 | Rocky Mountain House, AB | Telus | |
| 403-846 | Rocky Mountain House, AB | Telus | |
| 403-847 | Rocky Mountain House, AB | Telus | |
| 403-848 | Red Deer, AB | Rogers Communications Partnership (wireless) | |
| 403-849 | Lethbridge, AB | Rogers Communications Partnership (wireless) | |
| 403-850 | Calgary, AB | Telus Mobility | |
| 403-851 | Cochrane, AB | Telus | |
| 403-852 | Calgary, AB | Telus Mobility | |
| 403-853 | Veteran, AB | Telus Mobility |
There are 781 prefixes, In the code area, the major cities are Milo, AB;Sibbald, AB;Eckville, AB;High River, AB;N. The major city is Milo.