Three £15

Three top up

Buying Three top up online is the fast, safe and simple way to stay connected. No need to get a 3 Mobile contract. Whenever you need more call credit or mobile data, you can top up Three instantly online.

Call, browse, and app without worrying about a big phone bill at the end of the month. And rest assured that you can buy your next Three top up voucher within 30 seconds, wherever you are.
Get your Three top up in 3 simple steps:
  1. Select a Three top up amount.
  2. Fill in your email address and select a payment method. You can choose between PayPal, Maestro, Discover, Mastercard, Diners, Visa, or China UnionPay.
  3. Complete your payment.
That’s it! Once you complete your order, your Three top up code will appear on your screen. You’ll also receive your Three top up voucher directly in your inbox within 30 seconds. Along with it, you’ll get instructions on how to top up your call credit.
Frequently Asked Questions
You have two options to top up using your Three top up voucher:
Three top up phone option:
  1. Call 444 from the 3 mobile you would like to top up.
  2. From the menu, choose the option Top-up with a voucher and follow the instructions.
  3. When asked, enter the 14-digit voucher code you have received. Confirm and you're topped up!

Three top up online option:
  1. Click this link for a 3 top up online using your computer or phone.
  2. Enter your Three mobile number and select Voucher.
  3. Enter your top-up code to receive your 3 call credit.
You have two options to check your current 3 call credit or mobile data balance.
Check balance by calling:
  1. Call 444 from your Three mobile number
  2. You will hear your current call credit balance

Option 2: Online
  1. Check your Three remaining balance by logging into your My3 account.
You have to activate your Three top up voucher within 90 days of purchase. Once activated, your Three call credit or mobile data are valid indefinitely.

Good to know: you have to make a chargeable action at least every 6 months with your Three mobile number. Otherwise, Three UK will deactivate your SIM. A chargeable action is a call, a text message or data usage.
You can buy any phone top up product on Mobiletopup.co.uk with PayPal. That means also Three top up. All you need to do is decide what prepaid digital product you want. And then select PayPal as your payment method during checkout.
There are two ways to top up Three from abroad.
  1. If you have remaining call credit on your Three mobile SIM, just call +44 7782 333 444 and follow the instructions.
  2. No remaining call credit? Get access to Wi-Fi or 3G and get your 3 top up online within seconds.
Three customer service is easily reachable by phone:
  • From your 3 mobile, call 333
  • From another phone, call 0333 338 1001
  • From abroad, call +44 7782 333 333
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At Mobiletopup.co.uk it's not only possible to top up phone credit for several providers within 30 seconds, you can also purchase game vouchers and entertainment vouchers. The checkout process is safe and reliable. After a successful payment, you will immediately receive an email or text containing your voucher code.
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