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Utah Area Codes
Utah has 3 area codes in service: 385, 435 and 801.
Largest cities
| City | Area codes |
|---|---|
| Salt Lake City | 801, 385 |
| West Valley City | 801, 385 |
| West Jordan | 801, 385 |
| Provo | 801, 385 |
| St. George | 435 |
| Lehi | 385, 801 |
| Orem | 801, 385 |
| Sandy | 801, 385 |
| Ogden | 801, 385 |
| South Jordan | 801, 385 |
| Layton | 385, 801 |
| Eagle Mountain | 385, 801 |
All area codes in Utah
| Code | Main cities | Overlay | In service since | Projected exhaust |
|---|---|---|---|---|
| 385 | Salt Lake City, West Valley City, West Jordan, Provo | 801 | 2009 | 2035 |
| 435 | St. George, Logan, Tooele, Cedar City | — | 1997 | 2076 |
| 801 | Salt Lake City, West Valley City, West Jordan, Provo | 385 | 1947 | 2035 |
1,779 prefixes are in use across Utah. Exhaust years are NANPA's 2026 forecast.