0843 487 3429

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About Three

Three is a leading UK mobile network, providing 3G and 4G coverage to its customers. They have always been focused on reaching the largest possible number of customers, and now boast a network coverage of 97% of the UK.

Three has won a number of awards for its mobile service, and was rated the most reliable mobile network in the UK in a YouGov poll. The company’s internet-focused service has seen it become a mainstay amongst smartphone users; the fact that 4G is included as standard on all of Three’s plans, and that they were rated the best network for both smartphones and iPhones specifically keeps customers renewing their contracts every year with Three.


Keep on roaming.
Use your phone abroad at no extra cost.

Now in 42 destinations including USA, Germany, Portugal and Greece.


  • SALES: If you would like to buy a phone or SIM-only contract from Three, give the company a call on 0843 487 3429.
  • CUSTOMER SERVICE – PHONES: If you would like to discuss your mobile phone account with a customer service representative, dial 0843 487 3429  (or simply dial 333 from your Three phone).
  • CUSTOMER SERVICE – BROADBAND: If you have a customer service enquiry relating to your mobile broadband account, phone 0843 487 3429 (or 500 from a Three mobile).
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