tw telecom inc. engages in the provision of managed network services in the United States. The company offers data networking, converged, Internet protocol based virtual private network (IP VPN), and Internet access services. The company’s data services include switched native local area network (NLAN), point-to-point elite NLAN, E-Line, extended NLAN, regional ethernet, and IP VPN and managed IP VPN services; and converged and integrated services. It also provides high capacity Internet service with bandwidth speeds ranging from 1.5 Mbps to 10 Gbps to access the Internet and other external networks; and managed services comprising enhanced management services, managed security services, collocation services, and distributed denial of service mitigation. In addition, the company offers network access services for voice, data, image, and video transmission, such as private line, special access, transport arrangements, and metropolitan and regional connectivity; and voice services that provide customers with local and long distance calling capabilities consisting of access trunk, long distance, local toll, local telephone, business access line, and IP trunk services. Further, it offers intercarrier services, such as switched access and local traffic termination services. As of December 31, 2011, the company’s fiber network spanned approximately 27,000 route miles connecting to 15,438 buildings. Its customers include enterprise organizations in the distribution, health care, finance, service, and manufacturing industries; state, local, and federal government entities; system integrators; and communication service providers, such as incumbent local exchange carriers, competitive local exchange carriers, wireless communications, and cable companies. The company was formerly known as Time Warner Telecom Inc. and changed its name to tw telecom inc. in March 2008. tw telecom inc. was founded in 1993 and is headquartered in Littleton, Colorado.