Westminster, CO Area Codes
Westminster is served by area codes 303, 720 and 983. It is in Colorado, Adams County. About 51,011 people live in its 4 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 303, 720, 983 |
| State / province | Colorado |
| County | Adams County |
| Population | 51,011 |
| ZIP codes | 4 |
| Time zone | Mountain |
| Coordinates | 39.8445, -105.0377 |
What area code is Westminster in?
| Area code | Main state | Population covered | Overlap |
|---|---|---|---|
| 303 | Colorado | 3,294,473 | — |
| 720 | Colorado | 3,294,174 | Yes |
| 983 | Colorado | 3,276,231 | Yes |
ZIP codes in the code footprint
Nearby towns and their area codes
Arvada 303, 720, 983Wheat Ridge 303, 720, 983Broomfield 303, 720, 983Thornton 303, 720, 983Denver 303, 720, 983Henderson 303, 720, 983Commerce City 303, 720, 983Louisville 303, 720, 983
How to dial
Dial 303 + 7 digits for a number in Westminster, or +1 303 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.