Richardson — Headquarters
Main Switchboard: 1-972-766-6900
Abilene
Main Switchboard: 1-325-793-4000
Toll-Free Number: 1-800-682-6789
Amarillo
Main Switchboard: 1-806-371-3000
Toll-Free Number: 1-800-521-2227
Austin
Main Switchboard: 1-512-231-7600
Austin — Sales and Marketing Office
Main Switchboard: 1-512-349-4800
Corpus Christi
Main Switchboard: 1-361-878-1600
Toll-Free Number: 1-800-442-1685
El Paso
Toll-Free Number: 1-800-682-6789
Houston
Main Switchboard: 1-713-354-7000
Marshall
Toll-Free Number: 1-800-521-2227
San Angelo
Main Switchboard: 1-325-224-2000
Toll-Free Number: 1-800-682-6789
San Antonio
Main Switchboard: 1-210-357-5340
Toll-Free Number: 1-800-872-1518
Waco
Main Switchboard: 1-254-296-7300
Wichita Falls
Main Switchboard: 1-940-397-9200
Toll Free Number: 1-800-521-2227