Find the last 4 digits (ZIP+4) for an address in 94070

ZIP 94070, San Carlos, CA is filled in. Just type the street address.

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ZIP Code 94070 – San Carlos, CA

San Carlos, California · San Mateo County · Pacific time

ZIP code94070
CitySan Carlos
StateCalifornia
CountySan Mateo County
Population30,447
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area6.12 sq mi
Center (lat, long)37.4965, -122.2726

Area codes in this area

650

These are the area codes that most often serve ZIP 94070 (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

94002 Belmont · 1.8 mi94065 Redwood City · 2.8 mi94061 Redwood City · 3.1 mi94403 San Mateo · 3.4 mi94497 San Mateo · 3.9 mi94404 San Mateo · 4.1 mi94063 Redwood City · 4.2 mi94402 San Mateo · 4.4 mi

About ZIP 94070

ZIP code 94070 is assigned to San Carlos, California. It lies in San Mateo County. Its Census area covers about 6.12 square miles of land. The closest neighboring ZIP is 94002 (Belmont), about 1.8 miles away.

Every address in 94070 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