Smithfield, Utah

1 ZIP code · Mountain time

ZIP codes (largest first)

84335 · 16,210
Population14,408
StateUtah
CountyCache County
Time zoneMountain
Land area6.01 sq mi

Area codes in this area

385435801

These are the area codes that most often serve Smithfield (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Find the ZIP+4 for an address in Smithfield

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

Population: U.S. Census Bureau, ACS 5-year estimates, 2024.