Find the last 4 digits (ZIP+4) for an address in 85128

ZIP 85128, Coolidge, AZ is filled in. Just type the street address.

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ZIP Code 85128 – Coolidge, AZ

Coolidge, Arizona · Pinal County · Mountain (no DST) time

ZIP code85128
CityCoolidge
StateArizona
CountyPinal County
Population19,487
Time zoneMountain (no DST) · local time
ZIP typeStandard (has a Census ZCTA area)
Land area166.65 sq mi
Center (lat, long)32.9628, -111.5098

Area codes in this area

480602

These are the area codes that most often serve ZIP 85128 (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

85191 Valley Farms · 3.9 mi85194 Casa Grande · 8.1 mi85143 San Tan Valley · 13.3 mi85122 Casa Grande · 14.2 mi85130 Casa Grande · 15.2 mi85147 Sacaton · 15.5 mi85144 San Tan Valley · 15.8 mi85132 Florence · 17.3 mi

About ZIP 85128

ZIP code 85128 is assigned to Coolidge, Arizona. It lies in Pinal County. Its Census area covers about 166.65 square miles of land. The closest neighboring ZIP is 85191 (Valley Farms), about 3.9 miles away.

Every address in 85128 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