Passport Application Services - Cincinnatus 2763 Lower Cincinnatus Rd Cincinnatus, NY 13040 Phone : (607) 863-4340 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Cincinnatus 2763 Lower Cincinnatus Rd Cincinnatus, NY 13040 Phone : (607) 863-4340 Post Office - Cincinnatus Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS