The telecommunications industry is a system of switches and lines that interconnect to provide communication between multiple parties. The telecommunications industry includes local, long distance, cellular or digital telephone service, paging services, internet services and a variety of competitive services. All of the above operate through networks forming a global telecommunications industry.
Most telecommunications services begin and end with a local service provider. The local service provider maintains the local lines, handles service and safety concerns and provides switches for interconnection with other telephone service providers. The Arizona Corporation Commission maintains jurisdiction over most of your local telephone service, including quality of service
List of Regulated Telephone Companies