Post Offices in & near Dallas, South Dakota. Operating hours, locations, phone/fax number, services information.
Post Office in Gregory, South Dakota on Main St. Operating hours, phone number, services information, and other locations.
Address: 517 Main St, Gregory, SD 57533
Phone: 605-835-9265
Fax: 605-357-4906
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
