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 304 S 4th St, Illinois 62471-9998 Phone Number 6099656587 Fax Number 6182830328 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: Subway Sandwiches & SaladsNext post: Coldwell Banker Residential