ZIP Code 94963 – San Geronimo, CA
San Geronimo, California · Marin County · Pacific time
| ZIP code | 94963 |
|---|---|
| City | San Geronimo |
| State | California |
| County | Marin County |
| Population | 739 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 1.6 sq mi |
| Center (lat, long) | 38.0076, -122.6647 |
Area codes in this area
These are the area codes that most often serve ZIP 94963 (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
About ZIP 94963
ZIP code 94963 is assigned to San Geronimo, California. It lies in Marin County. Its Census area covers about 1.6 square miles of land. The closest neighboring ZIP is 94973 (Woodacre), about 1.4 miles away.
Every address in 94963 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