Post Office - Ferrum 57 Fieldcrest Rd Ferrum, VA 24088 Phone : (540) 365-7276 Post Office - Ferrum Business Category Post Offices Toll-Free           (800) ASK-USPS United States Government--postal Service, Ferrum 57 Fieldcrest Rd Ferrum, VA 24088 Phone : (540) 365-7276 Business Category Government Offices-Federal Government Offices & Public Schools