Telhio Credit Union, Inc. Telhio Credit Union, Inc. Search | Advanced Search | New Members | Coupons and Discounts | All Categories Finance & Insurance >> Commercial Banking Telhio Credit Union, Inc. 330 Rush Alley, Suite 500Columbus, OH 43215 | map | directions (614) 221-3233 | fax: (614) 629-0146 Visit Site Telhio Credit Union is a not-for-profit financial cooperative that is a full-service financial institution. That means that our members are our owners and they can expect to receive high-quality financial services to meet all of their needs. 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.