Posted on January 8, 2019 January 9, 2019 by WebsiteYellowPages.com US Post Office 1 2 3 4 50.000 CategoriesPost Offices LocationsCalifornia Bookmark Contact Information Business Name US Post Office Address 3852 Main St, California 94514-5100 Phone Number 4796417210 Fax Number 9256342600 Website http://www.usps.com CategoriesPost Offices Post navigationPrevious post: Switzer & AssociatesNext post: Process and Computational Design Services; Inc.