Clayton Post Office Contact Information

Address, Phone Number, and Hours for an Post Office in Clayton, California.

Name Clayton Post Office
Address 6150 Center Street, Clayton CA 94517 Map
Phone (925) 672-4337
Website
Hours

Map of Clayton Post Office

About Clayton Post Office

The Clayton Post Office, located in Clayton, CA, is a branch location of the United States Postal Service (USPS) that serves the Clayton 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:

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