San Tan Valley, Arizona

3 ZIP codes · Mountain (no DST, Arizona) time

ZIP codes (largest first)

85140 · 51,26085143 · 44,44485144 (PO box)
Population109,189
StateArizona
CountyPinal County
Time zoneMountain (no DST, Arizona)
Land area75.79 sq mi

Area codes in this area

480602

These are the area codes that most often serve San Tan Valley (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 San Tan Valley

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