U S Government--post Offices, Lykens Lykens, PA 17048 Phone : (717) 453-7595 Business Category Post Offices Government Offices & Public Schools Us Government--postal Service, Lykens Main Lykens, PA 17048 Phone : (717) 453-7595 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Lykens 666 Main St Lykens, PA 17048 Phone : (717) 453-7595 Business Category Post Offices Toll-Free           (800) ASK-USPS