Post Office - Lancaster 1400 Harrisburg Pike Lancaster, PA 17604 Phone : (717) 396-6925 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (717) 396-6918 Passport Application Services - Lancaster 1400 Harrisburg Pike Lancaster, PA 17604 Phone : (717) 396-6925 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (717) 396-6918 Automated Postal Center - Lancaster 1400 Harrisburg Pike Lancaster, PA 17604 Phone : (717) 396-6925 Business Category Automated Postal Centers Toll-Free           (800) ASK-USPS Fax           (717) 396-6918