Passport Application Services - Niskayuna 2320 Nott St E Schenectady, NY 12309 Phone : (518) 377-6119 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Niskayuna 2320 Nott St E Schenectady, NY 12309 Phone : (518) 377-6119 Business Category Post Offices Toll-Free           (800) ASK-USPS