Posted on January 1, 2019 April 7, 2019 by WebsiteYellowPages.com US Post Office 1 2 3 4 50.000 CategoriesPost Offices LocationsIllinois Bookmark Contact Information Business Name US Post Office Address 185 S State St, Illinois 60442-9997 Phone Number 2567284493 Fax Number 8154783112 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: RE/MAX REALTY ASSOCNext post: Hampton Marshall B. G.