Castro Valley Post Office

20283 Santa Maria Ave
Castro Valley, CA 94546
(510) 581-0159
(510) 581-0159
Hours of Operation: View Hours

View the Castro Valley Post Office hours along with contact information, and more to get your post office needs done in Castro Valley, CA.

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What are the hours for the Castro Valley Post Office?

Castro Valley Post Office Hours

Mon-Fri 9:00am-5:00pm Sat 9:00am-1:00pm Sun closed

Castro Valley Post Office Additional Information:

Located in Alameda County

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