San Luis Obispo County, located in the state of California, contains a range of ZIP codes that are essential for mail delivery, demographics, mapping, and regional planning. Below is a complete list of ZIP codes associated with this county.

These ZIP codes help identify specific areas and communities within the county, ranging from small towns and villages to broader rural stretches. Whether you’re moving to San Luis Obispo County, setting up a business, or analyzing demographic trends, understanding ZIP code distribution is an essential part of the process.

Zip code
93420
93406
93445
93421
93426
93443
93435
93453
93409
93428
93452
93424
93446
93430
93444
93408
93407
93410
93423
93449
93465
93461
93254
93405
93402
93442
93422
93432
93403
93412
93433
93454
93458
93252
93451
93447
93448
93483
93401
93475

To know more about San Luis Obispo County, click the button below:

San Luis Obispo County Information

Use this tool to find your area details by using zip code.

ZIP Code to County

Note: Some ZIP codes may span across county borders and may be listed under more than one county. This is common in rural or low-population areas where ZIP code regions are broader.

Source: Data compiled from official county records, USPS ZIP code data, and the United States Census Bureau.

Frequently Asked Questions

How many ZIP codes are in San Luis Obispo County County?

There are approximately 40 ZIP codes in this county. Check the table above for the complete list.

Do ZIP codes in San Luis Obispo County overlap with other counties?

Yes, some ZIP codes may span more than one county. This is especially common in less populated or rural areas.