Union City Post Office

3861 Smith St
Union City, CA 94587
(510) 471-1180
(510) 471-1180
Hours of Operation: View Hours

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

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What are the hours for the Union City Post Office?

Union City Post Office Hours

Mon-Fri 9:30am-4:30pm Sat-Sun closed

Union City Post Office Additional Information:

Located in Alameda County

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