Contact Us For Information & Appointments Telephone: 740-425-2926 Secondary Number If No Answer: 740-449-2280 740-425-2228 740-238-2456 Mailing Address Belmont County Historical SocietyPO Box 434Barnesville Ohio 43713 Physical Address Belmont County Victorian Mansion Museum532 North Chestnut StreetBarnesville Ohio 43713