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With 2 million+ customers.

Three mobile phone deals.

Join Three today and get 99% UK coverage and 5G at no extra cost,
with truly unlimited data deals.

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Three Network Benefits

Why Three is the best network for you:

99% UK Coverage

99% coverage across the UK.

We're proud to say our 4G network already covers 99% of the UK outdoor population. But there's always room for improvement.

5G ready SIMs

Three SIMs are 5G ready.

Enjoy exclusive access to our 5G network on all of our SIMs - for no extra cost. All you need is a 5G compatible mobile to get going.

Uswitch award winning network

Your Uswitch award winner.

We've bagged ourselves the Uswitch award for Best Network for Data 2021, and couldn't be prouder of our amazing network.

Switch with a text

Join Three with a simple text.

You can start your network switch, while keeping your current mobile number, by simply texting 'PAC' to 65075. It's quick and easy.

Stay in touch with Go Roam

Stay in touch home or away.

Stay connected at home or abroad and use your data allowance in over 70 world-wide destinations for no extra cost - up to 12GB.

Unlimited Data

Unlimited fun with unlimited data.

Enjoy limitless speeds and all the data you could ever need. Nothing but endless streaming, browsing, and sharing in the UK.

Get answers to your questions about Three.

Is Three coverage good where I live?

Three is one of the best networks for UK population coverage, however just to double check that you’ll be getting the best service with Three, you can use their coverage checker. This will give you easy to read colour coded data to determine how good the coverage is in your chosen location – making things super easy for you.

What coverage does Three have?

Three coverage is outstanding, covering 99.8% of the UK outdoor population, they were voted best network for data for a reason. Their 5G network is growing every day and with a number of 5G zones around the country, getting online has never been quicker. You can look at Three’s postcode checker to find the 5G zones, then get yourself a 5G device to access it.

What’s the difference between Three’s 4G and 5G?

Three’s 4G is hugely popular and for good reason as it covers 99.8% of the UK outdoor population. The key difference between Three’s 4G and 5G is speed. 5G offers you what you need super-fast. Three’s 5G spectrum is 140MHz and as the only UK network to have that much holding on the spectrum, their 5G access is unbeatable. 5G brings you faster downloads, uploads, browsing, gaming and so much more.

Should I buy a Three deal with 4G or 5G?

All deals on the Three network come with 5G at no extra cost, so you don’t have to make a decision. So long as you buy a mobile phone that supports 5G, you can experience super fast data speeds like never before.

Will a 4G mobile work on 5G with Three?

5G mobile services require a phone that has the relevant technology to use the service. To get access to the Three 5G network, you will need to buy a 5G phone.

What’s the Three app?

The Three app, known as My3, lets you easily manage your Three account. You can check your allowances, bills and access any information about Three’s offers and discounts. Simply install the My3 app on your device to get started!

How do I get Go Roam on Three?

Go Roam is available in 70 countries worldwide and automatically activates when you travel to one of the included destinations. You just need to make sure you have roaming switched on. Bear in mind a fair usage policy of 12GB applies when roaming.

How do I get a cheap Three deal?

You can find all of our best Three deals on our websites. Browse the latest handsets and compare the monthly contract fees to find the best mobile deal for you.


RPI+/CPI Price Increase - Your monthly price plan charge will increase every year in May by the rate of most recently published RPI. Other prices, such as call charges and roaming costs, may also go up during your plan. Three monthly price includes £5 discount for paying by direct debit.