United States Government--us Postal Service, Alverton Mount Pleasant, PA 15666 Phone : (724) 887-4008 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Alverton 459 Ruffsdale Alverton Rd Alverton, PA 15612 Phone : (724) 887-4008 Post Office - Alverton Business Category Post Offices Toll-Free           (800) ASK-USPS