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    Based on analysis by Ookla® of Speedtest Intelligence® data for Q1-Q2 2024. Ookla trademarks used under license and reprinted with permission. Visit speedtest.net/awards/fastest-5G to find out more.

    Three Logo Three Logo

    Based on analysis by Ookla® of Speedtest Intelligence® data for Q1-Q2 2024. Ookla trademarks used under license and reprinted with permission. Visit speedtest.net/awards/fastest-5G to find out more.

    Why choose Three?

    We believe life isn't just about the big things. It's about capturing the little things in between. We'd love you to join our network, and here's why we think you should.

    Fastest 5G Network

    The UK’s Fastest 5G Network

    Share your snaps in a flash, download albums in seconds, and wave goodbye to buffering.

    Ookla has named us the UK’s Fastest 5G Network.

    Fastest 5G Network

    99% UK Coverage

    Our 4G network covers 99% of the UK population (outdoor coverage). And our 5G network coverage is growing day by day. So you can rely on us to keep you connected.

    Fastest 5G Network

    Three+ Rewards App

    Download the Three+ rewards app today and enjoy amazing offers from the brands you love.

    Fastest 5G Network

    Going abroad?

    Go Roam lets you call, text, UK numbers and use your data in over 160 destinations around the world, up to fair usage limits.

    £2 for 24hrs

    Go Roam Europe destinations

    £5 for 24hrs

    Go Roam Around the World destinations

    £7 for 24hrs

    Go Roam Around the World Extra destinations

    Proudly working together

    We've joined forces with Affordable Mobiles to extend our network's reach. With so much changing—flip phones are back!—we're more committed than ever to bringing you our best products and services at unbeatable prices.

    † O2: Your monthly price will increase every April by £1.80. Out of bundle charges will increase each year by 5% from 1st April. Vodafone: Monthly price will increase each April by £1.80 inc VAT (£1.00 inc VAT for Basics Plans), out of bundle charges will increase by the Consumer Price Index rate of inflation published in January of that year plus 3.9%. Three: The monthly price will increase each April. Please see the table here for more information.

    † Every year your chosen network will increase your contract changes as follows

    O2: Your monthly price will increase every April by £1.80. Out of bundle charges will increase each year by 5% from 1st April.

    Vodafone: During your minimum period, each year, on the 1st of April, your monthly plan charge will increase by £1.80 (£1.00 for Pay monthly Basics plans). Out of bundle charges will increase each April by the Consumer Price Index rate published in January of that year + 3.9%.

    Three: Each April, your monthly subscription charge will increase depending on how much data you have bought, please see the table below:

    Data allowance range

    Cost increase

    Lower or equal to 4GB

    £1.00

    Greater than 4GB, less than 100GB

    £1.25

    Greater or equal to 100GB

    £1.50

    Please see network Terms & Conditions for more details - you'll find these here.

    General

    All pay monthly offers subject to security and credit check. Charges will apply for paper billing. Charges may also apply for non-Direct Debit payment. Promo codes cannot be used in conjunction with any other offer. Full Legals.

    Products

    All products bought on our website are provided by ourselves, not the network, and are subject to our full T&Cs.

    Cashback

    Unless otherwise stated, cashback incentives are provided by ourselves and not the Network provider or third-party. Full details are in our T&Cs.

    Data Speeds

    Advertised 4G and 5G speeds are available in selected areas. Exact speed depends on location and number of users. Check coverage using the link in the shopping basket before buying.