Find the last 4 digits (ZIP+4) for an address in 85203

ZIP 85203, Mesa, AZ is filled in. Just type the street address.

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ZIP Code 85203 – Mesa, AZ

Mesa, Arizona · Maricopa County · Mountain (no DST) time

ZIP code85203
CityMesa
StateArizona
CountyMaricopa County
Population38,035
Time zoneMountain (no DST) · local time
ZIP typeStandard (has a Census ZCTA area)
Land area9.26 sq mi
Center (lat, long)33.4504, -111.8029

Area codes in this area

480602

These are the area codes that most often serve ZIP 85203 (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

85213 Mesa · 2.1 mi85211 Mesa · 2.3 mi85201 Mesa · 3 mi85214 Mesa · 3.1 mi85216 Mesa · 3.1 mi85274 Mesa · 3.1 mi85275 Mesa · 3.1 mi85277 Mesa · 3.1 mi

About ZIP 85203

ZIP code 85203 is assigned to Mesa, Arizona. It lies in Maricopa County. Its Census area covers about 9.26 square miles of land. The closest neighboring ZIP is 85213 (Mesa), about 2.1 miles away.

Every address in 85203 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