As of 2015, Global Tel's toll-free number for customer service is 1-866-230-7761, while the toll-free number for sales and marketing is 1-844-269-1981. The toll-free number for questions about inmate telephone systems is 1-877-856-3184, while the technical support phone number for other products is 1-800-306-2957.
Global Tel was founded in 1991 and is based in Boca Raton, Florida. The company provides telecommunications services for jails and correctional facilities across North America. Its services include prepaid phone cards, phone card distributors, and phone carrier and switching services that help to minimize the cost of long-distance phone calls for inmates and their families.