ZIP Code 94557
Hayward · Alameda, California
94557 is the ZIP code of Hayward in Alameda, California, United States.
- ZIP Code
- 94557
- County
- Alameda
- State
- California
- Country
- United States
Place with ZIP code 94557
| Place | County | Location |
|---|---|---|
| Hayward | Alameda | 37.680, -121.921 |
Near San Jose
The nearest major city is San Jose, about 38 km away.
Nearby ZIP codes
Frequently asked questions
Which places use ZIP code 94557?
Hayward.
Which county and state is 94557 in?
Alameda, California, United States.
What is the nearest major city to 94557?
San Jose, about 38 km away.
Source: GeoNames postal codes (CC BY 4.0), geonames.org, retrieved 2026-10-22. Place coordinates are approximate. Check with the national postal service before sending anything valuable.