Zip code 94557: Hayward, California
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 94557
94557 is a non-residential zip code for Hayward, California (Alameda County). It has no delivery area of its own, so the Census Bureau doesn't publish population or housing figures for it. Codes like this are usually assigned to post office boxes, or to a single organization such as a university, hospital, government agency or large company that gets enough mail to need its own zip code.
For a picture of the people who live around 94557, see the residential zip codes in the nearby list below.
Geography
- City (USPS)
- Hayward
- State
- California
- County
- Alameda County
- Center point
- 37.6802° N, 121.9215° W
- Time zone
- Pacific Time (UTC-8, UTC-7 in summer)
- Zip type
- PO box or unique zip
Zip codes near 94557
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 94537 | Fremont, CA · PO box | 0 mi | — |
| 94540 | Hayward, CA · PO box | 0 mi | — |
| 94568 | Dublin, CA | 2.7 mi | $214,385 |
| 94566 | Pleasanton, CA | 4.6 mi | $191,155 |
| 94552 | Castro Valley, CA | 5 mi | $212,605 |
| 94582 | San Ramon, CA | 5.9 mi | $214,677 |
| 94542 | Hayward, CA | 6 mi | $133,734 |
| 94570 | Moraga, CA · PO box | 7 mi | — |
| 94583 | San Ramon, CA | 7.3 mi | $184,898 |
| 94544 | Hayward, CA | 8.1 mi | $107,785 |
| 94536 | Fremont, CA | 8.3 mi | $167,662 |
| 94588 | Pleasanton, CA | 8.4 mi | $191,073 |
Questions about 94557
What city is zip code 94557?
94557 is assigned to Hayward, California. The city name is the one the Postal Service prefers for mail addressed to this zip code.
What county is 94557 in?
94557 is in Alameda County, California.
What time zone is 94557 in?
94557 is in Pacific Time.
What zip codes are near 94557?
The closest zip codes to 94557 are 94537, 94540, 94568, 94566, 94552.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94557, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.