Post Offices in & near Frankfort, South Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Frankfort, South Dakota on Jefferson Ave. Operating hours, phone number, services information, and other locations.
Address: 611 Jefferson Ave, Frankfort, SD 57440
Phone: 605-472-1339
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
