Broadband & Landline – Guernsey Broadband & Landline SWITCH NOW to enjoy our CHEAPEST broadband & landline from just £40.25 per month Broadband Plans Fibre Broadband Plans Mobile Broadband Plans Mobile, Broadband & Landline Package Landline JT Apps JT Fon Wi-Fi announcement From 27 November 2020, the JT Fon service will be terminated. Click here for more information