Los Osos zip code
Zip code in Los Osos, CA
The location Los Osos belongs to San Luis Obispo County, state of California. Los Osos has 2 zip codes which you can see in the following table.
Los Osos is the official name of the location so if you want to use the US Postal Service you must use that name. You can also use any of the following names: San Luis Obispo, Sn Luis Obisp.
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