Los Osos zipcode
| City | Los Osos |
| ZIP Code | 93412 |
| Type | PO Box |
| State Code | CA |
| State | California |
ZIP code of Los Osos is 93412. This place is located in California state in US. To send any postal service to Los Osos, you must use 93412 zipcode.
The ZIP code 93412 is also used with 2 more city names of California.
- San Luis Obispo, CA
- Sn Luis Obisp, CA