ZIP Code 94540 — Hayward, California
ZIP code 94540 belongs to Hayward, California (county: Alameda). It sits at latitude 37.6802, longitude -121.9215 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| ZIP code | 94540 |
| City / place | Hayward |
| State | California |
| County | Alameda |
| Coordinates | 37.6802, -121.9215 |
| Time zone | America/Los_Angeles |
| City population | 158,289 |
| ZIP type | PO box / unique |
| Telephone area codes | 510 |
What is ZIP code 94540?
94540 is a five-digit ZIP code used by the United States Postal Service for Hayward, California. It is one of 7 ZIP codes associated with Hayward in this dataset. The delivery area is served from the local post office network, so the ZIP can cover more than one neighbourhood or even cross a city line.
ZIP codes in the same city
Area codes and city profile
Telephone area codes serving Hayward: 510. For population, county and county-seat details, see Hayward and all places in California.
Nearby ZIP codes
94537 0.0 km · Fremont94557 0.0 km · Hayward94588 2.4 km · Pleasanton94568 4.0 km · Dublin94566 4.4 km · Pleasanton94583 8.9 km · San Ramon94582 9.3 km · San Ramon94552 10.9 km · Castro Valley
Frequently asked questions
What city is ZIP code 94540 in?
ZIP code 94540 is in Hayward, California.
What county is 94540 in?
94540 belongs to Alameda in California.
What time zone is ZIP code 94540 in?
94540 is in the America/Los_Angeles time zone.