UK's lowest Pay As You Go rates.

With Three, you don't have to spend more than you need to on things like bundles and extras because our standard Pay As You Go rates are simply amazing value. Say hello to Pay As You Go the way it should be.

Order your free SIM card.

A Trio SIM has all SIM types on one card, so whether you need a standard, micro or nano-SIM, you can just pop out the one you need. It will work in any unlocked 3G or 4G phone.

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Get extra value with an Add-on.

If you love lots of data, minutes or texts and prefer to have fixed allowances, you can convert your top-up to a 30-day Add-on.

These Add-ons give you even more value out of your Pay As you Go SIM.

£20 Add-on

  • 12GB data
  • 3000 minutes
  • 3000 texts

£10 Add-on

  • 1GB data
  • 3000 minutes
  • 3000 texts

Can't wait to get your SIM?

It takes around 3-5 working days to receive your free SIM by post. If you need one sooner just drop into your local Three Store.

Pay As You Go SIMs cost £1 in a retail store but if you top-up you won't need to pay the £1 charge.

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A Free SIM is your best bet if you love Three but don't want a contract. It’s simple, flexible and competitively priced.

Three have the UK's lowest Pay As You Go rates, and SIMs are delivered within a few working days, ready for any device, including standard, micro or nano SIM sizes.

You can keep your existing phone number if you're switching from another provider, and once you top up you'll receive all the benefits of being on the Three network, like using your phone abroad at no extra cost, and 4G at no extra cost.