San Luis Obispo County ZIP Codes

San Luis Obispo County is a county of California.

ZIP codes
35
Cities & towns
20
Area codes
3
Land area
3,301 sq mi

Every ZIP code in San Luis Obispo County

934xx
The complete list of San Luis Obispo County, CA ZIP codes with the city each one delivers to.
ZIP codeCity
93401San Luis Obispo
93402Los Osos
93403San Luis Obispo
93405San Luis Obispo
93406San Luis Obispo
93407San Luis Obispo
93408San Luis Obispo
93409San Luis Obispo
93410San Luis Obispo
93412Los Osos
93420Arroyo Grande
93421Arroyo Grande
93422Atascadero
93423Atascadero
93424Avila Beach
93428Cambria
93430Cayucos
93432Creston
93433Grover Beach
93435Harmony
93442Morro Bay
93443Morro Bay
93444Nipomo
93445Oceano
93446Paso Robles
93447Paso Robles
93448Pismo Beach
93449Pismo Beach
93451San Miguel
93452San Simeon
93453Santa Margarita
93461Shandon
93465Templeton
93475Oceano
93483Grover Beach

We do not publish a delivery type (standard, PO box, unique) or a neighbourhood for each ZIP. USPS delivery-type products are licensed, and no clean-rights source maps ZIP codes to neighbourhoods — so the San Luis Obispo County codes above are listed without a column we would have to invent.

Cities and towns in San Luis Obispo County

A further 14 places in San Luis Obispo County appear in the postal source without a page of its own; their codes are in the table above and each one links to its own page.

Area codes covering San Luis Obispo County

Telephone and postal boundaries are drawn by different bodies, so these codes overlap the county without matching its edges.

Where San Luis Obispo County's ZIP codes sit

Each point is the reference point of one San Luis Obispo County ZIP code, plotted from its record coordinates. The outline is the convex envelope of those points — a footprint, not a boundary.
  • Reference points and footprint
  • Not an official NANPA boundary
  • Not a USPS delivery area

Scope every ZIP code recorded in San Luis Obispo County. Source GeoNames US postal codes (2026-07 postal dump), Census 2024 county Gazetteer (2024 Gazetteer) and geoinfo-dataset (full_dataset) ZIP→NPA (2018 snapshot). Updated . The outline is a convex envelope of ZIP reference points, not a jurisdiction boundary.