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 55 N Barnett St, Illinois 62354 0000 Phone Number 4066288540 Fax Number 2174532305 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: Greatest Challenge EnterprisesNext post: Century 21 AAA Homes