Post Offices in & near Altamont, South Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Clear Lake, South Dakota on 3rd St W. Operating hours, phone number, services information, and other locations.
Address: 405 3rd St W, Clear Lake, SD 57226
Phone: 605-874-2402
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
