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 3430 Philadelphia Pike, Delaware 19703 0000 Phone Number 2567284493 Fax Number 3027986671 Website http://www.usps.com Post navigationPrevious post: Blenheim MarketingNext post: Disorganization