Find the last 4 digits (ZIP+4) for an address in 85321

ZIP 85321, Ajo, AZ is filled in. Just type the street address.

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ZIP Code 85321 – Ajo, AZ

Ajo, Arizona · Pima County · Mountain (no DST) time

ZIP code85321
CityAjo
StateArizona
CountyPima CountyMaricopa County
Population3,555
Time zoneMountain (no DST) · local time
ZIP typeStandard (has a Census ZCTA area)
Land area1,343.78 sq mi
Center (lat, long)32.3620, -112.5847

Area codes in this area

480602

These are the area codes that most often serve ZIP 85321 (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

85341 Lukeville · 28 mi85634 Sells · 40.7 mi85139 Maricopa · 44.6 mi85337 Gila Bend · 45.4 mi85333 Dateland · 59.9 mi

About ZIP 85321

ZIP code 85321 is assigned to Ajo, Arizona. It crosses 2 counties; most of its land is in Pima County. Its Census area covers about 1,343.78 square miles of land. The closest neighboring ZIP is 85341 (Lukeville), about 28 miles away.

Every address in 85321 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