United States Government--postal Service, Conyngham Conyngham, PA 18219 Phone : (570) 788-4228 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Saint Johns 784 Saint Johns Rd Saint Johns, PA 18247 Phone : (570) 788-4228 Post Office - Saint Johns Business Category Post Offices Toll-Free           (800) ASK-USPS