Texas AFT Contact Info: 3000 South IH 35 Ste 175 Austin, Tx 78704 Phone: (512) 448-0130 Website: tx.aft.org Texas AFT (formerly Texas Federation of Teachers TFT) is a statewide organization that exists to serve its members and local unions, also called “local units” or “affiliates.” Texas AFT currently has 58,000 members and growing.