Utah area codes
- Area codes in
- 3
- State
- Utah
- Local time
- Mountain Time
Utah is served by 3 area codes, from 801 in 1947 to 385 in 2009. 1 of them are overlays, added as older codes filled up.
Updated 28 July 2026
All area codes in Utah
Utah is served by 3 area codes. 801 is the oldest, in service since 1947; 385 is the newest, activated in 2009.
Utah area code map
Utah sits in the Mountain Time zone, with its 3 codes spread across the state.
Utah area codes by city
These are the Utah cities served by more than one area code, or whose code also covers a wider area.
Salt Lake City
St. George
Overlay codes and dialling rules in Utah
1 of Utah’s 3 area codes are overlays — a second code laid over an existing footprint instead of splitting it. Wherever an overlay operates, local calls require the full ten-digit number.
Spam call reports in Utah
These Utah area codes drew the most reports to the FTC in the 30 days to 28 July 2026. The figures describe numbers displaying each code, which caller ID spoofing can fake.
Most reported Utah area codes · last 30 days
| Code | Primary city | Reports |
|---|---|---|
| 801 | Salt Lake City | 460 |
| 385 | Salt Lake City | 287 |
| 435 | St. George | 138 |
A number listed here may itself be a spoofing victim rather than the caller. These are unverified consumer reports.
Source: FTC Do Not Call Reported Calls Data, unverified consumer reports, retrieved 28 July 2026. Request a correction.
Calls from your Utah numbers not landing?
Questions
How many area codes does Utah have?
Utah has 3 area codes: 385, 435, 801.
What is the main area code for Salt Lake City?
The main area code for Salt Lake City is 385.
Which Utah area code is oldest?
Area code 801 is the oldest in Utah, in service since 1947.
Do I need to dial ten digits in Utah?
Yes, anywhere an overlay operates. 1 of Utah’s codes are overlays, and ten-digit dialling is required for local calls in those areas.
Which Utah area code gets the most spam calls?
Area code 801 (Salt Lake City) drew the most reports of any Utah code in the 30 days to 28 July 2026, with 460 numbers reported.