Passport Application Services - Pylesville 3965 Ady Rd Pylesville, MD 21132 Phone : (410) 452-5597 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Fax           (410) 452-8516 Post Office - Pylesville 3965 Ady Rd Pylesville, MD 21132 Phone : (410) 452-5597 Business Category Post Offices Toll-Free           (800) ASK-USPS Fax           (410) 452-8516