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Our combined 3G and 4G network covers 99% of the UK outdoor population
We're home to 9.3m customers
Our 5G isn’t just fast. According to Ookla*, it’s the fastest you can get.
We’re currently dedicating more spectrum to our 5G network than any other UK mobile operator
Pay Monthly phones
SIM Only deals
All our SIMs get access to our 5G network – at no extra cost.
Enjoy exclusive offers from brands you love like Uber Eats and Cineworld. Plus, get presale access to the UK's biggest festivals.
No speed limits. No data caps. Just endless streaming, browsing, and sharing in the UK.
Based on analysis by Ookla® of Speedtest Intelligence® data for Q3-Q4 2021. Ookla trademarks used under license and reprinted with permission. Visit speedtest.net/awards/fastest-5g to find out more. See three.co.uk/bignetwork.