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USPS
CA
Port Costa
PORT COSTA - USPS Locations
on map
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bad place
3 Canyon Lake Dr, Port Costa, CA 94569
510-787-2980
Mo. 8:00am-4:30pm
Tu. 8:00am-4:30pm
We. 8:00am-4:30pm
Th. 8:00am-4:30pm
Fr. 8:00am-4:30pm
Sa. CLOSED
Su. CLOSED
Business Reply Mail Account Balance, Business Reply Mail New Permit, General Delivery, Money Orders (Domestic), Money Orders (Inquiry), PO Box Online, Pickup Accountable Mail, Pickup Hold Mail, Priority Mail International