Find the last 4 digits (ZIP+4) for an address in 94803

ZIP 94803, El Sobrante, CA is filled in. Just type the street address.

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ZIP Code 94803 – El Sobrante, CA

El Sobrante, California · Contra Costa County · Pacific time

ZIP code94803
CityEl Sobrante
StateCalifornia
CountyContra Costa County
Population27,659
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area12.82 sq mi
Center (lat, long)37.9568, -122.2824

Area codes in this area

510341

These are the area codes that most often serve ZIP 94803 (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

94820 El Sobrante · 1.6 mi94564 Pinole · 2.4 mi94805 Richmond · 2.5 mi94530 El Cerrito · 2.7 mi94806 San Pablo · 3.3 mi94547 Hercules · 3.7 mi94802 Richmond · 3.8 mi94807 Richmond · 3.8 mi

About ZIP 94803

ZIP code 94803 is assigned to El Sobrante, California. It lies in Contra Costa County. Its Census area covers about 12.82 square miles of land. The closest neighboring ZIP is 94820 (El Sobrante), about 1.6 miles away.

Every address in 94803 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