Passport Application Services - Downtown Elmira 255 Clemens Center Pkwy Elmira, NY 14901 Phone : (607) 734-7251 Business Category Government Offices-Federal Post Offices Passport Application Services Government Offices & Public Schools Toll-Free           (800) ASK-USPS Post Office - Downtown Elmira 255 Clemens Center Pkwy Elmira, NY 14901 Phone : (607) 734-7251 Business Category Post Offices Toll-Free           (800) ASK-USPS