Sponsored Listings:
20283 Santa Maria Ave
Castro Valley, CA 94546
Castro Valley, CA 94546
The Castro Valley Post Office is located in the state of California within Alameda County. This location serves 42,209 Castro Valley residents with a median income of $71,986. It's estimated that approximately 67,370 packages pass through this post office each year.
Castro Valley Post Office Location 94546
Castro Valley California Local Links
Post Offices Near Castro Valley by ZIP Code
- 94586 - Sunol CA
- 94544 - Hayward CA
- 94587 - Union City CA
- 94710 - Berkeley Detached Del Unit CA
- 94536 - Fremont CA
- 94541 - Bradford CA
- 94538 - Irvington CA
- 94501 - Alameda CA
- 94501 - Coast Guard Island CA
- 94501 - Webster Street CA
- 94601 - Fruitvale CA
- 94539 - Warm Springs CA
- 94539 - Mission San Jose CA
- 94550 - Livermore Annex CA
- 94550 - Livermore CA