Find the last 4 digits (ZIP+4) for an address in 85143

ZIP 85143, San Tan Valley, AZ is filled in. Just type the street address.

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ZIP Code 85143 – San Tan Valley, AZ

San Tan Valley, Arizona · Pinal County · Mountain (no DST) time

ZIP code85143
CitySan Tan Valley
StateArizona
CountyPinal County
Population44,444
Time zoneMountain (no DST) · local time
ZIP typeStandard (has a Census ZCTA area)
Land area31.27 sq mi
Center (lat, long)33.1560, -111.5198

Area codes in this area

480602

These are the area codes that most often serve ZIP 85143 (including overlays). The exact area code depends on the phone number — landlines, mobiles and overlays can differ even on the same street.

Map

Nearby ZIP codes

85144 San Tan Valley · 2.5 mi85140 San Tan Valley · 6.6 mi85142 Queen Creek · 8.8 mi85127 Chandler Heights · 11 mi85147 Sacaton · 12.5 mi85191 Valley Farms · 12.5 mi85212 Mesa · 13 mi85128 Coolidge · 13.3 mi

About ZIP 85143

ZIP code 85143 is assigned to San Tan Valley, Arizona. It lies in Pinal County. Its Census area covers about 31.27 square miles of land. The closest neighboring ZIP is 85144 (San Tan Valley), about 2.5 miles away.

Every address in 85143 also has a 4-digit add-on code (ZIP+4) that points to a smaller delivery area. Use the box above to find it.

Sources: US Census Bureau (ZCTA, county relationship files), GeoNames (CC BY 4.0), NANPA via NumberResearch.org (CC BY 4.0). Map © OpenStreetMap contributors. ZIP areas are approximate. Population: U.S. Census Bureau, ACS 5-year estimates, 2024 (ZCTA). Data sources