U.s. Government--u.s. Postal Service, North Washington Ofc 739 Fairview Rd Butler, PA 16001 Phone : (724) 894-2219 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - North Washington 739 Fairview Rd North Washington, PA 16048 Phone : (724) 894-2219 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Toll-Free           (800) ASK-USPS