| District of Alberta area codes: 403 | |
|---|---|
| Country | Canada |
| State/Province | Alberta |
| Major City | Sibbald |
| Time Zone | Mountain |
| Prefix | County | Primary City | Company |
|---|---|---|---|
| 403-241 | Calgary, AB | Telus | |
| 403-242 | Calgary, AB | Telus | |
| 403-243 | Calgary, AB | Telus | |
| 403-244 | Calgary, AB | Telus | |
| 403-245 | Calgary, AB | Telus | |
| 403-246 | Calgary, AB | Telus | |
| 403-247 | Calgary, AB | Telus | |
| 403-248 | Calgary, AB | Telus | |
| 403-249 | Calgary, AB | Telus | |
| 403-250 | Calgary, AB | Telus | |
| 403-251 | Calgary, AB | Telus | |
| 403-252 | Calgary, AB | Telus | |
| 403-253 | Calgary, AB | Telus | |
| 403-254 | Calgary, AB | Telus | |
| 403-255 | Calgary, AB | Telus | |
| 403-256 | Calgary, AB | Telus | |
| 403-257 | Calgary, AB | Telus | |
| 403-258 | Calgary, AB | Telus | |
| 403-259 | Calgary, AB | Telus | |
| 403-260 | Calgary, AB | Telus |
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.