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.

Your postcode. Please enter a valid UK postcode.
(optional)

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.