United States Government--internal Revenue Service, Foster Madison, WV 25130 Phone : (304) 369-5293 Business Category Government Offices-Federal Government Offices & Public Schools United States Government Foster Foster, WV 25081 Phone : (304) 369-5293 Business Category Government Offices & Public Schools United States Government--barboursville, Foster Madison, WV 25130 Phone : (304) 369-5293 Business Category Government Offices-Federal Government Offices & Public Schools Post Office - Foster 7976 Daniel Boone Pkwy Foster, WV 25081 Phone : (304) 369-5293 Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--postal Service, Other Area Post Offices, Foster Foster, WV 25081 Phone : (304) 369-5293 United States Government--postal Service, Other Area Post Offices, Foster Business Category Government Offices-Federal Post Offices Government Offices & Public Schools