Incumbent Local Exchange Carrier (ILEC):
A LEC is simply a telephone company that provides service to a local calling area.
An ILEC (incumbent local exchange carrier) is a telephone company that provided local service prior to the Telecommunications Act of 1996 which owns most of the local loops and facilities in a serving area. In the U.S., the Regional Bell Operation Companies (RBOCs) that were formed after the divestiture of AT&T and the Independent Operating Companies (IOCs) that are usually located in more rural areas or single cities.
Hazelton, Iuka, Kiowa, Lake City, Sharon, Sun City, and Turon
Burlington and Byron