Pay As You Go SIMs

Our Pay As You Go SIM has plenty of perks. With Auto-renew you can enjoy 100GB for only £13.50.

40GB for £15. When you auto-renew.

Data Packs give you more

Choose how much data you need and get unlimited calls and texts. Pick an Auto-renew Data Pack for an allowance that renews each month.

Inclusive roaming

Stay connected to the people you love by using your data, minutes, and texts at no extra cost in 71 destinations.

5G Ready

All our Pay As You Go SIMs get access to our 5G network at no extra cost.

Three+

Enjoy exclusive offers from the brands you love, like Uber Eats and Cineworld. There’s more to life with Three+.

No commitment

With Pay As You Go you there's no contract and no commitment. You can cancel any time and it's completely hassle-free.

Pay As You Go SIM deals

Choose a Data Pack for the ultimate value. No commitment, cancel any time. And get extra data on us when you set up auto-renew on selected packs.

Auto-renew Data Packs

Buy an Auto-renew Data Pack to save 10% and get up to 50GB extra data on us.

Save 10%

100GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£13.50

Save 10%

Unlimited

  • Go roam at no extra cost
  • Unlimited minutes and texts

£31.50

Save 10%

200GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£18

Get 5GB extra data

15GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£10

1 month Data Packs

Choose as much monthly data as you want and we'll include unlimited minutes and texts.

75GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£15

Unlimited

  • Go roam at no extra cost
  • Unlimited minutes and texts

£35

10GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£10

150GB

  • Go roam at no extra cost
  • Unlimited minutes and texts

£20

Value Data Pack

Pay upfront for our 3 month Value Data Pack and save even more on unlimited data.

Save £15

Unlimited

data for 3 months

  • Go roam at no extra cost
  • Unlimited minutes and texts

£90

Not ready to pick your Pack?

Fancy trying our network but don’t want to commit? Order a free Pay As You Go SIM and buy a Top up or Data Pack later.

Exclusive extras

40GB for £15. When you auto-renew.

Go Roam

Use your UK allowances in over 70 destinations worldwide. Call, text, and use up to 12GB data at no extra cost.

Three+ rewards app

Download the Three+ rewards app today and enjoy exclusive offers from the brands you love. Whether you like eating out or catching a movie, there's more to life with Three+.

Pay As You Go phones

Looking for a brand new device on Pay As You Go? Check out our range and find your perfect fit.

Top up your way

Top up online

Whether you prefer a monthly Data Pack, or to use your credit as you go, it’s quick and easy to top up online.

By app

Save your card details in the Three app to top up within seconds. Available on both iOS and Android.

By voucher

Get a Top-up voucher from loads of retailers, without needing any card details.

By phone

Dial 444 free from your Three phone, or +447782 333 444 if you're using another phone.

Switch to Three

Moving your number over to Three has never been easier. You can switch in minutes, and keep your number with a simple text.

Here to help

We do everything we can to make topping up as quick and easy as possible. But if you're having any issues, we're here to help.

Frequently asked questions

Very! You can get going in 3 easy steps:

1. Order your SIM. You can either choose your Data Pack now, or choose later once you’ve ordered your SIM.
2. Download the Three app on the Apple App Store or  Google Play Store.
3. Add your Data Pack on the app. Or top up your credit on the app, in your account, or from your browser.

To keep your Pay As You Go number active, you must use it for at least one chargeable activity - like making use of existing top-up credit or Data Pack allowance, adding top-up credit, buying a new Data Pack, or making telephone call, sending a text, or using the internet on Three’s mobile network - every 180 days.

A Data Pack lets you exchange your credit for a set amount of data with unlimited minutes and texts. If you use a lot of data, they’re better value than our standard Pay As You Go rates. Data Packs last 1 calendar month and you can change them each month to suit you.

You’ll still get unlimited minutes and texts for the rest of the month, but you’ll be charged our standard rate for any data you use. This will be taken from your existing credit. As you can only buy 1 Data Pack at a time, you'll need to wait for it to expire before you can get a new one.

No. With a Pay As You Go SIM card on Three, there’s no contract. Data Packs only last a month and there’s no commitment to buy another one. You can go back to using your credit like normal, or buy another Data Pack for the next month. You can even set up auto-renew so you’re always topped up.

Use the Three app to buy a Data Add-on, or use your credit for data at our standard rate.

When you set up auto-renew on a Data Pack, you'll get additional bonus data, on us, each month when you auto-renew, which means you can get extra data when you auto-renew on the Three app.

You can activate auto-renew on our app or My3 when you buy a Data Pack. If you already auto-renew and want to get this promotion, it’s easy. First, turn off auto-renew and wait for your Data Pack to expire. Then select a promotional Data Pack and reactivate auto-renew.

If you need a Pay As You Go SIM for a mobile device that only uses the internet – i.e. it doesn’t make calls or send texts – like a tablet or a Mobile Broadband hub, then you wouldn’t use a Pay As You Go phone SIM like the ones shown above, you’d need a Pay As You Go Data Only SIM. Take a look at our range of Pay As You Go Data SIM deals.

Ordering a free Pay As You Go SIM on Three is easy. All you need to do is complete our free SIM form, and sit back and wait for your SIM to arrive. Then you can add a Data Pack when you’re ready.

Pay As You Go SIMs give you freedom and flexibility, as you only pay for what you use – you’re not tied into a monthly phone contract. Pay As You Go phones and SIM users have recently used Data Packs, which give you a fixed amount of data for a fixed price for a month, which you can renew each month. But this isn’t the same as a contract, as you can opt-in and opt-out of your Data Pack each month. Traditional Pay As You Go users use credit, where you add money to your Pay As You Go account, which gets used up as you make calls, send texts, and use data. You can then top up as you go along.

When you receive your Pay As You Go SIM, insert it in your phone, and you’ll receive a text message telling you your SIM is ready to use. The best thing to do is to register on the Three app, so you can keep an eye on your usage and your spend. The SIM is automatically activated as soon as you make a call, send a text, or use your data.

Yes, if you don’t use your Pay As You Go SIM for 18 months, then it will expire. Make sure you make a call, send a text, or use your data within this time to keep your SIM active.

Yes! As long as you’ve activated your Pay As You Go SIM in the UK before you head abroad, you can use your UK allowance in any of our Go Roam destinations at no extra cost. Activate your SIM by making a call, sending a text, or using your data in the UK before you travel.

There are lots of ways to top up your Pay As You Go SIM. You’ll get the best value by adding a Data Pack and setting up auto-renew. You can do this on the Three app. You can also use the Three app to add traditional credit that you can use as you go along. Alternatively, you can top up online, or you can buy a voucher from a participating retailer, or you can top up by phone: dial 444 free from your Three phone, or +447782 333 444 if you're using another phone.

Why Three?

*Based on analysis by Ookla® of Speedtest Intelligence® data for Q3-Q4 2023. Ookla trademarks used under license and reprinted with permission.