City facts
San Luis Obispo zip codes
2 zip codes cover San Luis Obispo: 93401, 93405.
Zip code map
Map of 2 places loads as you scroll.
Questions
What zip codes are in San Luis Obispo?
93401, 93405. Some also cover parts of neighboring areas.
What is the most populated zip code in San Luis Obispo?
93401, with about 29,995 residents.
Are zip codes the same as Census ZCTAs?
Almost. The Census Bureau’s ZIP Code Tabulation Areas approximate USPS zip codes so statistics can be published for them; PO box–only zips have no area and aren’t listed.
Source: U.S. Census Bureau 2020 ZIP Code Tabulation Areas, 2023 Gazetteer and ACS 2019–2023.