Post Offices in & near Ethan, South Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Ethan, South Dakota on W Main St. Operating hours, phone number, services information, and other locations.
Address: 102 W Main St, Ethan, SD 57334
Phone: 605-227-4343
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
