List of US Post Office Stores in Washington, PA Outlet Note Regular Brands US Post Office Pennsylvania Washington Rating 4.5 based on 76 votes Official Website https://www.usps.com/ Products Postal Service NameAddressPhone Name/Address/Phone US Post Office outlet - Washington 739 Fairview Rd (724) 894-2219 US Post Office outlet - Washington 15 Jefferson Ave (724) 222-1156 US Post Office outlet - Washington 153 Jefferson Ave (724) 222-1709 People Also Viewed