ZIP Code 94546: Castro Valley, California
ZIP code 94546 covers part or all of Castro Valley in Alameda County, California. Its reference point is at latitude 37.7015 and longitude -122.0782 (37°42'05.4"N 122°04'41.5"W).
Location Overview of ZIP Code 94546
Castro Valley, CA has 2 ZIP codes in our directory. Besides 94546, they include 94552.
Across Alameda County there are 72 ZIP codes listed, and California has 2,792 in total.
The nearest listed ZIP code is 94541 in Hayward, CA, about 2.0 mi to the south.
| ZIP code | 94546 |
|---|---|
| City | Castro Valley |
| County | Alameda County |
| State | California (CA) |
| Latitude | 37.7015 |
| Longitude | -122.0782 |
| DMS | 37°42'05.4"N 122°04'41.5"W |
| Nearest ZIP | 94541 (Hayward, 2.0 mi) |
All ZIP codes in Castro Valley, CA · All California ZIP codes
Map of ZIP Code 94546
Map centered on 37.7015, -122.0782. The pin marks the ZIP code's reference point, not its boundary.
Video: Castro Valley, CA
East Bay Castro Valley City Drive 4K — by KS Vagabond · Watch on YouTube
ZIP Codes Near 94546
These 15 ZIP codes have the closest reference points to 94546, measured in a straight line.
Nearby Cities and Towns
The closest communities to ZIP code 94546, measured in a straight line from its reference point, are Hayward, CA (2.0 mi south), San Leandro, CA (2.5 mi west) and San Lorenzo, CA (3.2 mi southwest). Distances are approximate and road distances will be longer.
- Hayward, CA – 2.0 mi south
- San Leandro, CA – 2.5 mi west
- San Lorenzo, CA – 3.2 mi southwest
- Oakland, CA – 5.7 mi northwest
- San Ramon, CA – 7.9 mi northeast
- Union City, CA – 7.9 mi south
Schools Near Castro Valley, CA
Public school assignments in the United States are based on street address, so families in ZIP code 94546 should confirm their assigned school with the school district that serves Castro Valley and Alameda County.
Searching nearby communities such as Hayward and San Leandro can widen the list of public, private and charter options. The links below open live Google Maps results centered on 94546.
Parks and Outdoor Recreation
Parks, trails and playgrounds around Castro Valley, CA are easiest to find on the map above or with the searches below, which are centered on ZIP code 94546.
Hospitals and Healthcare
Hospitals, urgent care clinics and pharmacies serving Castro Valley, CA can be found with the searches below. In a medical emergency, call 911.
Residents of ZIP code 94546 may also use facilities in nearby Hayward, San Leandro and San Lorenzo.
Shopping and Dining in Castro Valley
Restaurants, grocery stores and shopping centers in and around ZIP code 94546 are listed in the Google Maps searches below, with current hours and reviews.
Libraries and Historical Places
Public libraries, museums and historic sites near Castro Valley, California can be found with the searches below, which are centered on ZIP code 94546.
To research local history, try searching for Alameda County records and archives along with the name Castro Valley.
Roads, Rivers and Lakes
From ZIP code 94546, Hayward lies about 2.0 mi to the south, San Leandro lies about 2.5 mi to the west, San Lorenzo lies about 3.2 mi to the southwest, Oakland lies about 5.7 mi to the northwest and San Ramon lies about 7.9 mi to the northeast. Use the directions link for turn-by-turn routes and road names.
Rivers, lakes and other water features near Castro Valley show up on the map above, or you can search for them directly.
Frequently Asked Questions About ZIP Code 94546
Photo & Video Credits
- Video: “East Bay Castro Valley City Drive 4K” by KS Vagabond, embedded from YouTube. All rights belong to the creator.
Data for ZIP code 94546 comes from a public U.S. postal code dataset and is provided for general reference. Always confirm mailing details with the U.S. Postal Service.