Postal reference
ZIP 94557, California
ZIP code 94557 is associated with Hayward in California in the GeoNames postal reference.
Reference details
- State
- California (CA)
- ZIP code
- 94557
- Associated localities
- Hayward
- County names in postal records
- Alameda
- Approximate postal point
- 37.6802, -121.9215
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.