Franklin County Board of Developmental Disabilities Franklin County Board of Developmental Disabilities Search | Advanced Search | New Members | Coupons and Discounts | All Categories   Other >> Disabilities Franklin County Board of Developmental Disabilities 2879 Johnstown RoadColumbus, OH 43219 (614) 342- 5949 | fax: (614) 342-5001 Visit Site Need to update your categories or expand your listing? Or want to learn how your business can become a part of the Chamber? Contact us at membership@columbus.org for assistance.