U S Government--post Office, Dlo Mendenhall, MS 39114 Phone : (601) 847-4151 Business Category Post Offices Government Offices & Public Schools Post Office - D Lo 2135 Simpson Highway 149 D Lo, MS 39062 Phone : (601) 847-4151 Post Office - D Lo Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (601) 351-7510