Zip code 94540: Hayward, California
This zip has no delivery boundary. The map shows its post office location and nearby zip codes.
About 94540
94540 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 94540, 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 94540
| Zip | City | Distance | IncomeMedian income |
|---|---|---|---|
| 94537 | Fremont, CA · PO box | 0 mi | — |
| 94557 | 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 94540
What city is zip code 94540?
94540 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 94540 in?
94540 is in Alameda County, California.
What time zone is 94540 in?
94540 is in Pacific Time.
What zip codes are near 94540?
The closest zip codes to 94540 are 94537, 94557, 94568, 94566, 94552.
Demographic figures are 2020–2024 American Community Survey 5-year estimates for ZIP Code Tabulation Area 94540, from the U.S. Census Bureau. Small areas have wide margins of error. How we build these numbers.