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USPS Post Office Clayton, CA

About USPS Post Office

USPS Post Office locations are government-operated facilities where patrons can access a variety of postal services, including sending and receiving mail and packages, purchasing postage stamps, and obtaining money orders. These locations are typically found in convenient locations throughout the United States, providing a vital service to individuals, businesses, and organizations in need of reliable and efficient mail delivery options. Customers can also utilize additional postal services such as shipping supplies, passport applications, and postal banking at select locations.
6150 Center St, Clayton CA 94517 (925) 672-4337
Monday-Friday: 9:00 AM-5:00 PM, Saturday: 10:00 AM-2:00 PM, Sunday: Closed
4494 Treat Blvd, Concord CA 94521 (925) 687-0533
Monday-Friday: 9:00 AM-5:00 PM, Saturday-Sunday: Closed
2043 East St, Concord CA 94520 (925) 798-3849
Monday-Friday: 9:00 AM-5:00 PM, Saturday-Sunday: Closed
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