Find the last 4 digits (ZIP+4) for an address in 85378

ZIP 85378, Surprise, AZ is filled in. Just type the street address.

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ZIP Code 85378 – Surprise, AZ

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

ZIP code85378
CitySurprise
StateArizona
CountyMaricopa County
Population9,765
Time zoneMountain (no DST) · local time
ZIP typeStandard (has a Census ZCTA area)
Land area3.6 sq mi
Center (lat, long)33.6446, -112.3199

Area codes in this area

480602

These are the area codes that most often serve ZIP 85378 (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

85376 Sun City West · 1.7 mi85373 Sun City · 2 mi85375 Sun City West · 2.8 mi85351 Sun City · 3.4 mi85335 El Mirage · 4.1 mi85363 Youngtown · 4.2 mi85382 Peoria · 4.2 mi85372 Sun City · 4.3 mi

About ZIP 85378

ZIP code 85378 is assigned to Surprise, Arizona. It lies in Maricopa County. Its Census area covers about 3.6 square miles of land. The closest neighboring ZIP is 85376 (Sun City West), about 1.7 miles away.

Every address in 85378 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