Post Office - New Burnside 20 W 2nd St New Burnside, IL 62967 Phone : (618) 777-2723 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--post Offices, Burnside 20 W 2nd St Stonefort, IL 62987 Phone : (618) 777-2723 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools