United States Government Nly--postal Service, Coraopolis, Leetsdale 16 Quaker Village Shopp Sewickley, PA 15143 Phone : (412) 741-4940 Business Category Government Offices-Federal Government Offices & Public Schools United States Government--u S Postal Services, Postal Leetsdale 100 Village Dr Pittsburgh, PA 15227 Phone : (412) 741-4940 Business Category Government Offices & Public Schools Post Office - Leetsdale 18 Quaker Village Shopping Ctr Leetsdale, PA 15056 Phone : (412) 741-4940 Business Category Post Offices Toll-Free           (800) ASK-USPS