The state of Utah, USA is currently served by a total of 3 area codes:
These Utah area codes overlay (cover the same geographic area). The first code listed is the parent code. Overlay area codes are added when no more phone numbers are available in an existing Numbering Plan Area.
| City | County | Area Codes |
|---|---|---|
| American Fork | Utah | 801, 385 |
| Bountiful | Davis | 801, 385 |
| Cedar City | Iron | 435 |
| Clearfield | Davis | 801, 385 |
| Draper | Salt Lake | 801, 385 |
| Eagle Mountain | Utah | 801, 385 |
| Herriman | Salt Lake | 801, 385 |
| Kaysville | Davis | 801, 385 |
| Layton | Davis | 801, 385 |
| Lehi | Utah | 801, 385 |
| Logan | Cache | 435 |
| Midvale | Salt Lake | 801, 385 |
| Ogden | Weber | 801, 385 |
| Orem | Utah | 801, 385 |
| Pleasant Grove | Utah | 801, 385 |
| Provo | Utah | 801, 385 |
| Riverton | Salt Lake | 801, 385 |
| Roy | Weber | 801, 385 |
| Salt Lake City | Salt Lake | 801, 385 |
| Sandy | Salt Lake | 801, 385 |
| Saratoga Springs | Utah | 801, 385 |
| South Jordan | Salt Lake | 801, 385 |
| Spanish Fork | Utah | 801, 385 |
| Springville | Utah | 801, 385 |
| St George | Washington | 435 |
| Syracuse | Davis | 801, 385 |
| Taylorsville | Davis | 801, 385 |
| Tooele | Tooele | 435 |
| West Jordan | Salt Lake | 801, 385 |
| West Valley City | Davis | 801, 385 |