Automated Postal Center - Belleville 4242 E Main St Belleville, PA 17004 Phone : (717) 935-2313 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Post Office - Belleville 4242 E Main St Belleville, PA 17004 Phone : (717) 935-2313 Post Office - Belleville Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS