San Luis Obispo County is located along the central coast of the state of California, United States, stretching from rural inland valleys to scenic Pacific shoreline towns. ZIP codes in San Luis Obispo County range from 93401 to 93465 and are administered by the United States Postal Service (USPS) to ensure accurate mail delivery, logistics, and local administration across cities, towns, coastal communities, neighborhoods, and rural areas.
Key Information About San Luis Obispo County ZIP Codes
| Item | Details |
|---|---|
| County | San Luis Obispo County |
| State | California |
| ZIP Code Range | 93401 – 93465 |
| County Seat | San Luis Obispo |
| Largest City | San Luis Obispo |
| Country | United States |
| Continent | North America |
| Postal Authority | United States Postal Service (USPS) |
ZIP Codes of San Luis Obispo County by City & Community
Below are the cities, towns, coastal communities, neighborhoods, and areas served by ZIP codes in San Luis Obispo County.
San Luis Obispo Area (93401 – 93410)
| Place / Location | ZIP Code | State |
|---|---|---|
| San Luis Obispo Downtown | 93401 | California |
| San Luis Obispo Eastside | 93401 | California |
| San Luis Obispo Westside | 93405 | California |
| San Luis Obispo North | 93407 | California |
| San Luis Obispo South | 93409 | California |
| San Luis Obispo Cal Poly / University District | 93410 | California |
| Los Osos Community (near SLO) | 93402 | California |
| Baywood Park (Los Osos vicinity) | 93402 | California |
North County & Central Inland Area (93420 – 93465)
| Place / Location | ZIP Code | State |
|---|---|---|
| Arroyo Grande / Blacklake | 93420 | California |
| Grover Beach (shared area) | 93433 | California |
| Oceano (near Pismo) | 93445 | California |
| Pismo Beach & Nearby | 93449 | California |
| Atascadero | 93422 | California |
| Templeton / Paso Robles vicinity | 93465 | California |
| Paso Robles Central | 93446 | California |
| Paso Robles Eastside | 93447 | California |
| San Miguel & Creston area | 93451 | California |
| San Simeon / Coastal Region | 93452 | California |
| Santa Margarita | 93453 | California |
| Shandon / Rural East | 93461 | California |
Coastal & Rural Coastline Area (93428 – 93430)
| Place / Location | ZIP Code | State |
|---|---|---|
| Cambria Coastal Area | 93428 | California |
| Cayucos Beach Community | 93430 | California |
These seaside towns share ZIP codes serving the county’s scenic central coastline.
Other San Luis Obispo County Communities & Rural Areas
In addition to the major towns and neighborhoods above, San Luis Obispo County includes numerous smaller coastal villages, unincorporated rural neighborhoods, valley settlements, and agricultural communities that fall under the ZIP code areas listed. Examples include:
- Los Ranchos / Santa Rita area (covered within 93401 / 93405)
- Huasna / Lopez Canyon rural areas (part of 93461 / Paso Robles region)
- Edna Valley near San Luis Obispo (93401 / 93405 ZIPs)
- Avila Beach and surrounding vineyards (served by 93405 / 93424)
These areas share the ZIP codes of adjacent towns and provide mail delivery under those primary post office jurisdictions.
About San Luis Obispo County ZIP Codes
Each ZIP code in San Luis Obispo County corresponds to one or more cities, neighborhoods, rural landscapes, coastal regions, or community clusters, supporting efficient mail delivery and precise location identification. From the coastal communities of Cambria, Cayucos, and Pismo Beach to the inland hubs of Atascadero, Paso Robles, and San Luis Obispo itself, using the correct ZIP code ensures reliable postal services, logistics support, emergency response coordination, and accurate address administration for residents, businesses, and government operations throughout the county.