We track 120 major towns and cities in the UK for 5G coverage, and the networks stack up as follows: O2 has launched 5G in 75 of the 120 locations below. … How does O2’s 5G coverage compare to others? Town/CityLlandudnoEE +BT +CMLink✖Vodafone +ASDA +VOXI +Virgin +Lebara✔Three + iD Mobile +SMARTY✖O2 5G coverage checker 5g.co.uk › 5G Coverage