Post Office - Pattison 10035 Highway 547 Pattison, MS 39144 Phone : (601) 437-8184 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (601) 351-7510 U S Government--post Office 1019 Highway 547 Port Gibson, MS 39150 Phone : (601) 437-8184 Business Category Post Offices Government Offices & Public Schools