Posted on February 18, 2019 February 18, 2019 by WebsiteYellowPages.com US Post Office 1 2 3 4 50.000 LocationsDelaware Bookmark Contact Information Business Name US Post Office Address 101 E Grove St, Delaware 19940-9998 Phone Number 4796417210 Fax Number 3028463170 Website http://www.usps.com Post navigationPrevious post: Science Fair IncNext post: Whitman Requardt & Assoc