State directory / Utah
US number directory / Utah
Utah
area codes
Utah has 3 geographic area codes in the NANPA snapshot, with 801 the earliest listed (1947).
3geographic area codes
in this reference
in this reference
Earliest listed801 · 1947
Standard timeMT
Overlays in this stateYes — see code notes
Major city starting points
Salt Lake City (capital and largest city): 385, 435, 801.
| City | Reference role | Codes to check |
|---|---|---|
| Salt Lake City | Capital and largest city | 385, 435, 801 |
City reference · 2026-10-25
Codes, cities & coverage
Utah's active territorial overlay complexes are 385/801.
| Code | Region / major cities named in the reference | Introduced | Active overlay complexes |
|---|---|---|---|
| 385 | Utah (Counties of Davis ; Morgan ; Salt Lake ; Utah ; and Weber along the Wasatch Front , including the cities of Salt Lake City , Ogden , and Provo ) | 29-Mar-2009 | 385/801 |
| 435 | Most of Utah outside the Salt Lake City, Ogden, and Provo metropolitan areas in northern Utah | 21-Sep-1997 | None active in NANPA snapshot |
| 801 | Utah (Counties of Davis , Morgan , Salt Lake , Utah , and Weber along the Wasatch Front , including the cities of Salt Lake City , Ogden , and Provo ) | 01-Jan-1947 | 385/801 |
NANPA dates & overlays · 2026-10-25
Wikipedia geography · 2026-10-25 · CC BY-SA 4.0
Time zones
Utah spans 1 standard-time offset in the state reference: MT.
| Standard offset | Region | Daylight saving |
|---|---|---|
| UTC−07:00 MT | Mountain | Yes |