ZIP Code 93440 – Los Alamos, CA
Los Alamos, California · Santa Barbara County · Pacific time
| ZIP code | 93440 |
|---|---|
| City | Los Alamos |
| State | California |
| County | Santa Barbara County |
| Population | 1,185 |
| Time zone | Pacific · local time |
| ZIP type | Standard (has a Census ZCTA area) |
| Land area | 44.09 sq mi |
| Center (lat, long) | 34.7686, -120.2583 |
Area codes in this area
These are the area codes that most often serve ZIP 93440 (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 93440
ZIP code 93440 is assigned to Los Alamos, California. It lies in Santa Barbara County. Its Census area covers about 44.09 square miles of land. The closest neighboring ZIP is 93427 (Buellton), about 8.7 miles away.
Every address in 93440 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