ZIP Code 94552 — Castro Valley, California
ZIP code 94552 belongs to Castro Valley, California (county: Alameda). It sits at latitude 37.7131, longitude -122.0381 in the America/Los_Angeles time zone.
| Field | Value |
|---|---|
| ZIP code | 94552 |
| City / place | Castro Valley |
| State | California |
| County | Alameda |
| Coordinates | 37.7131, -122.0381 |
| Time zone | America/Los_Angeles |
| City population | 61,388 |
| ZIP type | PO box / unique |
| Telephone area codes | 510 |
What is ZIP code 94552?
94552 is a five-digit ZIP code used by the United States Postal Service for Castro Valley, California. It is one of 2 ZIP codes associated with Castro Valley 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 Castro Valley: 510. For population, county and county-seat details, see Castro Valley and all places in California.
Nearby ZIP codes
94546 3.8 km · Castro Valley94542 6.1 km · Hayward94543 6.2 km · Hayward94541 6.3 km · Hayward94578 7.6 km · San Leandro94544 8.8 km · Hayward94580 8.9 km · San Lorenzo94583 8.9 km · San Ramon
Frequently asked questions
What city is ZIP code 94552 in?
ZIP code 94552 is in Castro Valley, California.
What county is 94552 in?
94552 belongs to Alameda in California.
What time zone is ZIP code 94552 in?
94552 is in the America/Los_Angeles time zone.