Corporate Headquarters: 5555 Glendon Ct. Dublin, OH 43016 Mailing Address: P.O. Box 182878 Columbus, OH 43218-2878 Phone/Fax: 614-336-4680 (Phone) 1-800-669-9623 (Toll Free) 614-336-4681 (Fax) Email cwtinfo@careworkstech.com