Top-up phone credit

for any Three mobile.

Easy, fast & secure top-ups,

for you, your friends or family.

Choose Top-up amount:

  • £10
  • £15
  • £20
  • £30
  • £35
  • £40
  • £50

Online top ups made easy

Enter number

Enter number

Buy top up

Buy top up

Enjoy

Enjoy

Happy to help

On Top Up is committed to bringing you the fastest and easiest method for topping up your Three mobile phone credit.

If you need help with an aspect of our service, you can view our help and support pages.

Learn how On Top Up works, view answers to most frequently asked questions, or contact us.