Top up Three UK mobiles online

Use On Top Up to instantly buy credit for your Pay As You Go Three UK mobile phones. Our system supports all major mobile networks including Econet UK top ups, Lyca UK top ups and Vodafone UK top ups. You can add multiple phones per account, even ones on different networks, allowing you to easily topup all your phones from one website.

Choose your country & enter your Three UK phone number below to start

Online Three UK top ups made easy

Enter number

Enter number

Buy top up

Buy top up

Enjoy

Enjoy

Why use On Top Up for your Three UK credit?

With On Top Up, you can instantly add credit to your Three UK mobile phone account. Not only that, but you can also set up scheduled auto top ups*, to ensure you never run out of credit in the future. You can also add multiple mobile phones, on different networks, to your account, to enable you to top up your whole family's phones whenever needed.

*Note: Auto top ups are only available on selected mobile networks.

On Top Up also support these networks