Posted on December 31, 2018 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 200 Smith Ave, Illinois 62024-9997 Phone Number 8142675018 Fax Number 6182598721 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: CONLEY; EUGENE DEANNext post: Dan Wolf Pontiac