Office Address 1501 N. Main St Mason, Texas 76849 Business Hours Monday – Friday 8am – 5pm (closed 1-2pm for lunch) Customer Service Toll Free: 800-292-5457 Local: 325-446-2420 Email: busofc@hctc.coop Questions or Comments? Telephone ServiceInternet ServiceTechnology ServicesBilling QuestionCustomer ServiceOther Δ