Find the last 4 digits (ZIP+4) for an address in 94021

ZIP 94021, Loma Mar, CA is filled in. Just type the street address.

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ZIP Code 94021 – Loma Mar, CA

Loma Mar, California · San Mateo County · Pacific time

ZIP code94021
CityLoma Mar
StateCalifornia
CountySan Mateo County
Population321
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area10.96 sq mi
Center (lat, long)37.2503, -122.2496

Area codes in this area

650

These are the area codes that most often serve ZIP 94021 (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

94060 Pescadero · 1.3 mi94020 La Honda · 2 mi94074 San Gregorio · 7.5 mi95006 Boulder Creek · 7.7 mi94028 Portola Valley · 8.8 mi94022 Los Altos · 9.3 mi95014 Cupertino · 10 mi94026 Menlo Park · 10.2 mi

About ZIP 94021

ZIP code 94021 is assigned to Loma Mar, California. It lies in San Mateo County. Its Census area covers about 10.96 square miles of land. The closest neighboring ZIP is 94060 (Pescadero), about 1.3 miles away.

Every address in 94021 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