Consolidated Communications Holdings, Inc., together with its subsidiaries, provides telecommunications services to residential and business customers in Illinois, Texas, Pennsylvania, California, Kansas, and Missouri. The company operates in two segments, Telephone Operations and Other Operations. The Telephone Operations segment offers telecommunications services, including local and long-distance services, high-speed broadband Internet access, advanced digital television, video services, digital telephone service, custom calling features, private line services, carrier grade access services, network capacity services over its regional fiber optic networks, directory publishing, and competitive local exchange carrier services. This segment also offers data and other facilities-based communications services; wholesale transport services on its fiber-optic network in Texas; billing and collection services; and inside wiring services and maintenance. The Other Operations segment engages in the sale and support of telecommunications equipment, such as key, private branch exchange, and IP-based telephone systems to business customers in Texas and Illinois. The company serves residential customers, local governments, school districts, universities, and hospitals, as well as retail, commercial, light manufacturing, and service industry businesses. As of December 31, 2012, it had 268,597 incumbent local exchange carrier access lines, 129,729 voice connections, 247,633 data and Internet connections, and 106,137 video connections. The company was founded in 1894 and is headquartered in Mattoon, Illinois.