Clayton Post Office in Clayton, CA

Find Clayton Post Office in Clayton,Contra Costa County,CA to get information on Postal services, Mail forwarding, Money orders, Package delivery, Stamps, and Postage rates.
Clayton Post Office
6150 Center Street, Clayton, CA 94517
925-672-4337
Monday 09:00 AM - 05:00 PM,Tuesday 09:00 AM - 05:00 PM,Wednesday 09:00 AM - 05:00 PM,Thursday 09:00 AM - 05:00 PM,Friday 09:00 AM - 05:00 PM,Saturday 10:00 AM - 02:00 PM,Sunday Closed

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