b'C O M M U N I C A T I O N STelephone Service Frontier Communications (Incumbent Local Exchange Carriers)FIGURE 5. Switching LocationsInternet providers: Mobile Internet providers: SpectrumAT&T Frontier CommunicationsVerizon First Step InternetSprint Inland NetworksT-Mobile TDSInland Cellular Viasat HughesNet470 I D A H O I N F R A S T R U C T U R E G U I D E B O O K'