| District of Alberta area codes: 403 | |
|---|---|
| Country | Canada |
| State/Province | Alberta |
| Major City | Sibbald |
| Time Zone | Mountain |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 403-980 | Airdrie, AB | Shaw Telecom Inc. | |
| 403-981 | Cochrane, AB | Shaw Telecom Inc. | |
| 403-982 | Okotoks, AB | Shaw Telecom Inc. | |
| 403-983 | Strathmore, AB | Shaw Telecom Inc. | |
| 403-984 | Calgary, AB | Shaw Telecom Inc. | |
| 403-985 | Banff, AB | Shaw Telecom Inc. | |
| 403-986 | Red Deer, AB | Shaw Telecom Inc. | |
| 403-987 | Calgary, AB | Globalstar | |
| 403-988 | Calgary, AB | Telus Mobility | |
| 403-989 | Sunchild Ochiese, AB | Telus | |
| 403-990 | Calgary, AB | Telus Mobility | |
| 403-991 | Calgary, AB | Rogers Communications Partnership (wireless) | |
| 403-992 | Calgary, AB | Rogers Communications Partnership (wireless) | |
| 403-993 | Calgary, AB | Telus Mobility | |
| 403-994 | Olds, AB | Telus Mobility | |
| 403-995 | Okotoks, AB | Telus | |
| 403-996 | Banff, AB | Telus Mobility | |
| 403-997 | Calgary, AB | Globalstar | |
| 403-998 | Calgary, AB | Telus Mobility | |
| 403-999 | Calgary, 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.