ZIP code · San Mateo · California · United States

ZIP code 94404 — San Mateo

Name: San Mateo (94404)
Address: California, 94404, US

ZIP code 94404 serves San Mateo, California.

Postal code: 94404
Single source Value from one source, not cross-checked.
City: San Mateo
County: San Mateo
State: California
Country: United States
Coordinates: 37.5538, -122.2700 — precision precise (locality)
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Nearby localities

94401San Mateo
94402San Mateo
94403San Mateo
94497San Mateo

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