Passport Application Services - Thornton 103 E Eleanor St Thornton, IL 60476 Phone : (708) 877-6072 Business Category Passport Application Services Toll-Free           (800) ASK-USPS Post Office - Thornton 103 E Eleanor St Thornton, IL 60476 Phone : (708) 877-6072 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--postal Serv, Thornton 103 W Eleanor St Thornton, IL 60476 Phone : (708) 877-6072 Business Category Government Offices-Federal Government Offices & Public Schools