Post Offices in & near Williamston, South Carolina. Operating hours, locations, phone/fax number, services information.
Post Office in Williamston, South Carolina on Mill St. Operating hours, phone number, services information, and other locations.
Address: 101 Mill St, Williamston, SC 29697
Phone: 864-847-9468
Fax: 864-847-6269
Toll-Free: 1-800-Ask-USPS® (275-8777)
TTY: 877-889-2457
