Find the last 4 digits (ZIP+4) for an address in 90621

ZIP 90621, Buena Park, CA is filled in. Just type the street address.

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ZIP Code 90621 – Buena Park, CA

Buena Park, California · Orange County · Pacific time

ZIP code90621
CityBuena Park
StateCalifornia
CountyOrange County
Population35,984
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.19 sq mi
Center (lat, long)33.8742, -117.9934

Area codes in this area

714657

These are the area codes that most often serve ZIP 90621 (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

90624 Buena Park · 1.2 mi92837 Fullerton · 1.9 mi92833 Fullerton · 1.9 mi90622 Buena Park · 2 mi90638 La Mirada · 2.1 mi90620 Buena Park · 2.4 mi90639 La Mirada · 2.5 mi92850 Anaheim · 3 mi

About ZIP 90621

ZIP code 90621 is assigned to Buena Park, California. It lies in Orange County. Its Census area covers about 4.19 square miles of land. The closest neighboring ZIP is 90624 (Buena Park), about 1.2 miles away.

Every address in 90621 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