Find the last 4 digits (ZIP+4) for an address in 92021

ZIP 92021, El Cajon, CA is filled in. Just type the street address.

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ZIP Code 92021 – El Cajon, CA

El Cajon, California · San Diego County · Pacific time

ZIP code92021
CityEl Cajon
StateCalifornia
CountySan Diego County
Population70,501
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area28.04 sq mi
Center (lat, long)32.8357, -116.8746

Area codes in this area

858

These are the area codes that most often serve ZIP 92021 (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

92019 El Cajon · 3.9 mi92040 Lakeside · 5.1 mi92072 Santee · 5.8 mi92022 El Cajon · 5.8 mi92020 El Cajon · 6.2 mi91903 Alpine · 6.3 mi92071 Santee · 7.1 mi91901 Alpine · 8.7 mi

About ZIP 92021

ZIP code 92021 is assigned to El Cajon, California. It lies in San Diego County. Its Census area covers about 28.04 square miles of land. The closest neighboring ZIP is 92019 (El Cajon), about 3.9 miles away.

Every address in 92021 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