ZIP Code 94534 – Fairfield, CA
Fairfield, California · Solano County · Pacific time
| ZIP code | 94534 |
|---|---|
| City | Fairfield |
| State | California |
| County | Solano County |
| Population | 41,203 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 77.5 sq mi |
| Center (lat, long) | 38.2419, -122.1183 |
Area codes in this area
These are the area codes that most often serve ZIP 94534 (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 94534
ZIP code 94534 is assigned to Fairfield, California. It lies in Solano County. Its Census area covers about 77.5 square miles of land. The closest neighboring ZIP is 94533 (Fairfield), about 6.6 miles away.
Every address in 94534 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