ZIP code 94540: Hayward, CA
94540 is a PO Box or single-organization ZIP code in Hayward, California, mainly in Alameda County, part of the San Francisco-Oakland-Fremont, CA metro area.
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ZIP codes within 10 milesWithin 25 miles
ZIP code 94540 details
| City | Hayward |
|---|---|
| State | California |
| County | Alameda County |
| Metro area | San Francisco-Oakland-Fremont, CA |
| Time zone | Pacific Time (UTC−8), observes daylight saving time |
| Type | PO Box / single organization |
| Center coordinates | 37.68020, -121.92150 |
ZIP codes near 94540
| ZIP code | City | Distance | Population |
|---|---|---|---|
| 94557 | Hayward, CA | same location | — |
| 94537 | Fremont, CA | same location | — |
| 94568 | Dublin, CA | 2.7 mi | 70,803 |
| 94566 | Pleasanton, CA | 4.6 mi | 44,222 |
| 94552 | Castro Valley, CA | 5.0 mi | 14,506 |
| 94582 | San Ramon, CA | 5.9 mi | 47,424 |
| 94542 | Hayward, CA | 6.0 mi | 14,871 |
| 94570 | Moraga, CA | 7.0 mi | — |
About ZIP code 94540
What city is ZIP code 94540?
ZIP code 94540 is in Hayward, CA, in Alameda County.
What county is ZIP code 94540 in?
94540 is mainly in Alameda County, California.
Why doesn't 94540 have a population?
94540 is a PO Box or single-organization ZIP code. It has a post office location but no residential delivery area, so the Census Bureau reports no population for it.
What time zone is ZIP code 94540 in?
94540 is in Pacific Time (UTC−8). It observes daylight saving time.