Postal reference / United States

93412Los Osos, California

ZIP code 93412 is a United States postal code for Los Osos, California. Its county association is San Luis Obispo County. The map reference point is at 35.3111, -120.8324.

State / territory
California
Recorded place name
Los Osos
County association
San Luis Obispo
Estimated coordinate
35.3111, -120.8324
View on OpenStreetMap
ZIP prefix
934 · 53 ZIP codes share it
Data source
GeoNames postal reference, snapshot September 26, 2026

GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.

Need the last four digits?

ZIP+4 depends on the full delivery address. A five-digit code alone cannot determine its extension.

Find ZIP+4

Explore California

Browse the other 2,592 ZIP codes recorded for California, sorted by code with place and county.

California directory

Other ZIP codes in Los Osos, CA

Los Osos has 2 ZIP codes in the reference dataset.

Nearby ZIP code reference points

ZIP codePlaceStateCounty associationMiles
93402Los OsosCASan Luis Obispo0.4
93443Morro BayCASan Luis Obispo3.9
93442Morro BayCASan Luis Obispo4.8
93405San Luis ObispoCASan Luis Obispo8.6
93423AtascaderoCASan Luis Obispo8.8
93430CayucosCASan Luis Obispo9.8
93403San Luis ObispoCASan Luis Obispo9.9
93406San Luis ObispoCASan Luis Obispo9.9

Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.

Verify a mailing address

For mailing, confirm the complete street or PO Box address with USPS. A place record does not confirm delivery eligibility or the ZIP+4 extension.

Open USPS address lookup