Find the last 4 digits (ZIP+4) for an address in 94904

ZIP 94904, Greenbrae, CA is filled in. Just type the street address.

Addresses are checked through our secure proxy. Bot checks use Cloudflare Turnstile. Each device can run 5 live checks per day; repeats of the same address are free.

ZIP Code 94904 – Greenbrae, CA

Greenbrae, California · Marin County · Pacific time

ZIP code94904
CityGreenbrae
StateCalifornia
CountyMarin County
Population12,815
Time zonePacific · local time
ZIP typeStandard (has a Census ZCTA area)
Land area4.95 sq mi
Center (lat, long)37.9472, -122.5518

Area codes in this area

510341

These are the area codes that most often serve ZIP 94904 (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

94914 Kentfield · 0.4 mi94939 Larkspur · 1.1 mi94957 Ross · 1.2 mi94977 Larkspur · 1.3 mi94979 San Anselmo · 2 mi94976 Corte Madera · 2 mi94912 San Rafael · 2.1 mi94913 San Rafael · 2.1 mi

About ZIP 94904

ZIP code 94904 is assigned to Greenbrae, California. It lies in Marin County. Its Census area covers about 4.95 square miles of land. The closest neighboring ZIP is 94914 (Kentfield), about 0.4 miles away.

Every address in 94904 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