Wireless carrier means (1) any carrier of mobile service as referenced in 47 U.S.C. § 153(27), as such section existed on January 1, 2007, (2) any carrier of commercial mobile service as referenced in 47 U.S.C. § 332(d)(1), as such section existed on January 1, 2007, (3) any carrier of commercial mobile radio service as referenced in 47 C.F.R. § 20.9, as such regulation existed on January 1, 2007, or (4) any cellular radiotelephone service, licensees of a personal communications service, and specialized mobile radio services as referenced in 47 C.F.R. § 20.9, as such regulation existed on January 1, 2007.