Post Office - New Tripoli 6736 Madison St New Tripoli, PA 18066 Phone : (610) 298-2550 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government Continued--post Offices, New Tripoli Office New Tripoli, PA 18066 Phone : (610) 298-2550 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools