Zip Code 94557 - Hayward, Alameda, CA, United States
Zip Code 94557 Data
| Zip Code | 94557 |
|---|---|
| Area 1 (City, County) | Hayward, Alameda |
| Area 2 (City, County) | Mount Eden, Alameda |
| State | California |
| State FIPS | 06 |
| Latitude | 37.6687 |
| Longitude | -122.0799 |
| Timezone | 8 |
| Daylight | Yes |
| Country | United States |