ZIP code · Palo Alto · California · United States

ZIP code 94304 — Palo Alto

Name: Palo Alto (94304)
Address: California, 94304, US

ZIP code 94304 serves Palo Alto, California.

Postal code: 94304
Single source Value from one source, not cross-checked.
City: Palo Alto
County: Santa Clara
State: California
Country: United States
Coordinates: 37.4334, -122.1842 — precision precise (locality)
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Nearby localities

94301Palo Alto
94302Palo Alto
94303Palo Alto
94306Palo Alto
94309Palo Alto

About this page

US ZIP codes have five digits. They are postal routing areas, not administrative boundaries: a ZIP can span more than one city or county, and the city shown is the primary USPS name for that code.

GeoNames. Data generated on 2026-08-21. Methodology · Report an error on this page