Castro Valley Post Office Contact Information
Address, Phone Number, and Hours for an Post Office in Castro Valley, California.
| Name | Castro Valley Post Office |
| Address | 20283 Santa Maria Avenue, Castro Valley CA 94546 Map |
| Phone | (510) 581-0159 |
| Website | |
| Hours |
Map of Castro Valley Post Office
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About Castro Valley Post Office
The Castro Valley Post Office, located in Castro Valley, CA, is a branch location of the United States Postal Service (USPS) that serves the Castro Valley community. The customer service postal facility offers mail and package delivery services, P.O. box services, and passport services. The USPS operates as an independent agency within the federal government, supported entirely by revenues generated through its operations.
Interested parties may contact Post Office for questions about:
- Castro Valley, California Post Office hours and locations
- PO Box services in Castro Valley
- Mail and package delivery services
- Postage rates
- Passport services
- Alameda County, California Post Office jobs and employment