Find the last 4 digits (ZIP+4) for an address in 94939

ZIP 94939, Larkspur, CA is filled in. Just type the street address.

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ZIP Code 94939 – Larkspur, CA

Larkspur, California · Marin County · Pacific time

ZIP code94939
CityLarkspur
StateCalifornia
CountyMarin County
Population7,315
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area2.36 sq mi
Center (lat, long)37.9383, -122.5359

Area codes in this area

510341

These are the area codes that most often serve ZIP 94939 (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

94977 Larkspur · 0.3 mi94976 Corte Madera · 1 mi94904 Greenbrae · 1.1 mi94914 Kentfield · 1.5 mi94925 Corte Madera · 1.6 mi94957 Ross · 2.2 mi94942 Mill Valley · 2.3 mi94912 San Rafael · 2.4 mi

About ZIP 94939

ZIP code 94939 is assigned to Larkspur, California. It lies in Marin County. Its Census area covers about 2.36 square miles of land. The closest neighboring ZIP is 94977 (Larkspur), about 0.3 miles away.

Every address in 94939 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