Postal reference / United States
93423Atascadero, California
ZIP code 93423 is a United States postal code for Atascadero, California. Its county association is San Luis Obispo County. The map reference point is at 35.4282, -120.7695.
- State / territory
- California
- Recorded place name
- Atascadero
- County association
- San Luis Obispo
- Estimated coordinate
- 35.4282, -120.7695
View on OpenStreetMap - ZIP prefix
- 934 · 53 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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California directoryOther ZIP codes in Atascadero, CA
Atascadero has 2 ZIP codes in the reference dataset.
- 93422San Luis Obispo
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 93442 | Morro Bay | CA | San Luis Obispo | 5.4 |
| 93443 | Morro Bay | CA | San Luis Obispo | 6.3 |
| 93422 | Atascadero | CA | San Luis Obispo | 6.8 |
| 93430 | Cayucos | CA | San Luis Obispo | 6.9 |
| 93402 | Los Osos | CA | San Luis Obispo | 8.5 |
| 93412 | Los Osos | CA | San Luis Obispo | 8.8 |
| 93465 | Templeton | CA | San Luis Obispo | 9.4 |
| 93405 | San Luis Obispo | CA | San Luis Obispo | 10.7 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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