United States Government--postal Service, Nellis Costa, WV 25051 Phone : (304) 836-8094 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Nellis 31 Fork Creek Rd Ste A Nellis, WV 25142 Phone : (304) 836-8094 Business Category Post Offices Toll-Free           (800) ASK-USPS