Post Offices in & near Chamberlain, South Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Chamberlain, South Dakota on N Sanborn St. Operating hours, phone number, services information, and other locations.
Address: 108 N Sanborn St, Chamberlain, SD 57325
Phone: 605-734-6556
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
