Lone Tree, CO Area Codes
Lone Tree is served by area codes 303, 720 and 983. It is in Colorado, Douglas County. About 22,555 people live in its 1 ZIP codes.
| Field | Value |
|---|---|
| Area code(s) | 303, 720, 983 |
| State / province | Colorado |
| County | Douglas County |
| Population | 22,555 |
| ZIP codes | 1 |
| Time zone | Mountain |
| Coordinates | 39.5328, -104.8912 |
What area code is Lone Tree 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
Littleton 303, 720, 983Englewood 303, 720, 983Parker 303, 720, 983Denver 303, 720, 983Aurora 303, 720, 983Morrison 303, 720, 983Elizabeth 303, 720, 983Wheat Ridge 303, 720, 983
How to dial
Dial 303 + 7 digits for a number in Lone Tree, or +1 303 ... from abroad. Ten-digit dialling is required everywhere in the North American Numbering Plan.