U S Government Offices--u S Postal Service, Post Offices, Nebo State Route 16 Ivydale, WV 25113 Phone : (304) 286-5603 Business Category Government Offices-Federal Post Offices Government Offices & Public Schools Post Office - Nebo 9484 Big Otter Hwy Nebo, WV 25141 Phone : (304) 286-5603 Post Office - Nebo Business Category Post Offices Toll-Free           (800) ASK-USPS