Utah Area Codes
Compare 3 in-service area codes assigned to Utah. Explore each code’s introduction date, overlays, possible time zones, and public prefix records.
Utah numbering at a glance
- In-service area codes
- 3
- Time-zone labels in NANPA data
- Mountain
- Listed in-service or assigned prefixes
- 1,765 · source dated 2026-09-29
These are numbering assignments. The counts do not represent active phone numbers, current carriers, or a caller’s physical location.
Compare area codes in Utah
| Code | Introduced | Other codes in overlay | Time zones | Listed prefixes |
|---|---|---|---|---|
| 385 | 29-Mar-2009 | 801 | Mountain | 489 |
| 435 | 21-Sep-1997 | None listed | Mountain | 493 |
| 801 | 01-Jan-1947 | 385 | Mountain | 783 |
Source: NANPA NPA database, dated 2026-09-28. Prefix counts: NANPA US assignment report. View official area-code maps.
Overlay groups in Utah
Codes in an overlay group can serve the same broad numbering area. A person may keep a number after moving, and the displayed number may be spoofed.
Find a number in Utah
Open an area-code page above to check a prefix and possible time zones. You can also search US telephone rate-center names; those names are not exact city coverage.
A code cannot verify the owner of a number. If an unexpected caller asks for money or sensitive information, verify the claim independently.