A telecommunications utility is not required to obtain a certificate of convenience and necessity, a certificate of operating authority, or a service provider certificate of operating authority for:
(1) an interexchange telecommunications service;
(2) a nonswitched private line service;
(3) a shared tenant service;
(4) a specialized communications common carrier service;
(5) a commercial mobile service; or
(6) an operator service as defined by Section 55.081.