Ohio State Of--national Guard, Air, Personnel 121st Support Group Columbus, OH 43217 Phone : (614) 492-3541 Business Category Government Offices & Public Schools Ohio State Of--national Guard, Air, See Listings Below Before Dialing, 121st Support Group, Personnel Lockbourne, OH 43137 Phone : (614) 492-3541 Business Category Government Offices-State Government Offices State & Local National Security Government Offices & Public Schools