ZIP Code 93423
Atascadero · San Luis Obispo, California
93423 is the ZIP code of Atascadero in San Luis Obispo, California, United States.
- ZIP Code
- 93423
- County
- San Luis Obispo
- State
- California
- Country
- United States
Place with ZIP code 93423
| Place | County | Location |
|---|---|---|
| Atascadero | San Luis Obispo | 35.428, -120.769 |
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 93423?
Atascadero.
Which county and state is 93423 in?
San Luis Obispo, California, United States.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.