Postal reference
ZIP 94403, California
ZIP code 94403 is associated with San Mateo in California in the GeoNames postal reference.
Reference details
- State
- California (CA)
- ZIP code
- 94403
- Associated localities
- San Mateo
- County names in postal records
- San Mateo
- Approximate postal point
- 37.5395, -122.2998
View point on map ↗
Postal information is adapted from GeoNames, CC BY 4.0. Locality associations and coordinates are approximate, not ZIP boundaries or a guarantee of current mail delivery.