Postal reference / United States
94309Palo Alto, California
ZIP code 94309 is a United States postal code for Palo Alto, California. Its county association is Santa Clara County. The map reference point is at 37.4419, -122.143.
- State / territory
- California
- Recorded place name
- Palo Alto
- County association
- Santa Clara
- Estimated coordinate
- 37.4419, -122.143
View on OpenStreetMap - ZIP prefix
- 943 · 7 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 Palo Alto, CA
Palo Alto has 6 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 94302 | Palo Alto | CA | Santa Clara | 0.0 |
| 94301 | Palo Alto | CA | Santa Clara | 0.4 |
| 94305 | Stanford | CA | Santa Clara | 1.6 |
| 94303 | Palo Alto | CA | San Mateo | 1.8 |
| 94306 | Palo Alto | CA | Santa Clara | 1.9 |
| 94304 | Palo Alto | CA | Santa Clara | 2.3 |
| 94025 | Menlo Park | CA | San Mateo | 2.4 |
| 94027 | Atherton | CA | San Mateo | 3.3 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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