ZIP code · San Luis Obispo · California · United States
ZIP code 93403 — San Luis Obispo
ZIP code 93403 serves San Luis Obispo, California.
- Postal code
- 93403Single source Value from one source, not cross-checked.
- City
- San Luis Obispo
- County
- San Luis Obispo
- State
- California
- Country
- United States
- Coordinates
- 35.2828, -120.6596 — precision precise (locality)
View on OpenStreetMap - 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. Data generated on 2026-08-21. Methodology · Report an error on this page