JT Roaming Options Roaming Solutions Cut the cost & stay in control when you go abroad with the Channel Islands largest choice of roaming solutions. Roaming Abroad You can use your mobile data when roaming in UK, Europe & USA. JT One Jersey JT One Guernsey Data bolt-ons Access cheaper data worldwide. Rates from just 6p/MB. Find out more Data Caps Stay connected and stay in control by capping your usage. Find out more UK & Europe Rates Use your phone like you do at home. Only pay local rates in the UK & Europe. Find out more Rest Of World Rates View our standard rates for data, calls and texts. Find out more Roaming partners Stay connected wherever you are with our network of roaming partners. Find out more Please note: Freephone calls to the Coronavirus Helpline do not apply when roaming.