Posted on January 1, 2019 January 1, 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 400 N Center St, Illinois 61701-3908 Phone Number 3192669154 Fax Number 3096644600 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: RE/MAX SUBURBANNext post: De WITT Savings Bank