Post Office - Callery 172 Railroad St Callery, PA 16024 Phone : (724) 538-3801 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--postal Service, Callery Ofc 172 Railroad St Evans City, PA 16033 Phone : (724) 538-3801 Business Category Government Offices-Federal Government Offices & Public Schools