SILEC stands for Small Incumbent Local Exchange Carrier. A SILEC is a local telephone company which held the regional control on landline service before the market was opened to competitive local exchange carriers, or the corporate successor of such a firm. The geographical areas that comprise Nexicom’s SILEC territory include the rural villages of Millbrook, Cavan, Ida, Keene, Hiawatha, Lang, and Indian River.
CLEC stands for Competitive Local Exchange Carrier. A CLEC is a telephone company that competes with the already established local telephone business by providing its own network and switching.