ZIP code · Los Alamos · California · United States
ZIP code 93440 — Los Alamos
ZIP code 93440 serves Los Alamos, California.
- Postal code
- 93440Single source Value from one source, not cross-checked.
- City
- Los Alamos
- County
- Santa Barbara
- State
- California
- Country
- United States
- Coordinates
- 34.7457, -120.2049 — precision precise (locality)
View on OpenStreetMap - Population
- 896 (ZCTA, ACS 5-year)
- Median household income
- $53,673
- Median age
- 71
- Time zone
- America/Los_Angeles (UTC−8 / UTC−7 DST)
- Area codes
- 805, 820Telephone area codes serving this ZIP (NANPA central-office assignments). A ZIP and an area code are different boundaries; at a border both codes may apply.
About this page
US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.
GeoNames · U.S. Census Bureau (ACS). Data generated on 2026-08-21. Methodology · Report an error on this page