Postal reference / United States
94543Hayward, California
ZIP code 94543 is a United States postal code for Hayward, California. Its county association is Alameda County. The map reference point is at 37.6688, -122.0808.
- State / territory
- California
- Recorded place name
- Hayward
- County association
- Alameda
- Estimated coordinate
- 37.6688, -122.0808
View on OpenStreetMap - ZIP prefix
- 945 · 93 ZIP codes share it
- Data source
- GeoNames postal reference, snapshot September 26, 2026
GeoNames reference data. County associations may not include every intersecting county, place names are postal names rather than legal boundaries, and coordinates are approximate. This is not address validation.
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California directoryOther ZIP codes in Hayward, CA
Hayward has 7 ZIP codes in the reference dataset.
Nearby ZIP code reference points
| ZIP code | Place | State | County association | Miles |
|---|---|---|---|---|
| 94541 | Hayward | CA | Alameda | 0.6 |
| 94542 | Hayward | CA | Alameda | 2.0 |
| 94546 | Castro Valley | CA | Alameda | 2.3 |
| 94544 | Hayward | CA | Alameda | 2.3 |
| 94545 | Hayward | CA | Alameda | 2.6 |
| 94580 | San Lorenzo | CA | Alameda | 2.7 |
| 94578 | San Leandro | CA | Alameda | 3.3 |
| 94552 | Castro Valley | CA | Alameda | 3.8 |
Straight-line distance between reference points. Nearby points do not prove that ZIP areas touch.
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