Telhio is open to anyone who lives, works, worships or goes to school in Franklin, Fairfield, Delaware, Licking, Madison, Pickaway, Union, Hamilton, Warren, Butler and Preble counties. This credit union is federally insured by the National Credit Union Administration. Additional coverage up to $250,000 provided by Excess Share Insurance Corporation, a licensed insurance company. Copyright 2003-2019 Telhio Credit Union, 96 N 4th St. Columbus OH 43215. All Rights Reserved. Deposit accounts at different divisions are part of Telhio Credit Union. Deposits held at each office are not separately insured