| Area Code | 435 |
| State | Utah |
| Current Time in Area Code 435 | 435> MST |
| Timezone | Mountain Standard Time |
| Regional Market Area | Metro Salt Lake City St George Utah Area |
| Metro Area(s) | Cedar City, UT Heber, UT Logan, UT-ID Ogden-Clearfield, UT Price, UT Provo-Orem, UT Salt Lake City, UT St. George, UT Vernal, UT |
| Population (2020) | 789782 |
| Adjacent Area Codes | 208,307,385,505,775,801,928,970 |
| Cedar City |
| Logan |
| St. George |
| Tooele |