Mc Adams Postal Service 9299 Highway 12 W Mc Adams, MS 39107 Phone : (662) 289-4791 Business Category Miscellaneous Personal Services Mail Receiving & Forwarding Service Post Office - Mc Adams 9299 Highway 12 Sallis, MS 39160 Phone : (662) 289-4791 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (601) 351-7510