TENNESSEE REGULATORY AUTHORITY, 460 James Robertson Pkwy, Nashville, TN 37243-0505. Need a telephone? Want to save $$$ on your phone bill? You can with Lifeline and Link-up. To sign up for the service, call your local telephone company, or for more information, call the TRA's consumer hotline, 1.877.691.2969 or call Hugh Gerringer, NCUC Public Staff at 919.733.0882. Food stamp recipients, AFDC and SSI qualify!