ZIP Code 94540
Hayward · Alameda, California
94540 is the ZIP code of Hayward in Alameda, California, United States.
- ZIP Code
- 94540
- County
- Alameda
- State
- California
- Country
- United States
Place with ZIP code 94540
| 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 94540?
Hayward.
Which county and state is 94540 in?
Alameda, California, United States.
What is the nearest major city to 94540?
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.