If you just want to top-up without registering a card or logging in, that’s fine too. Go to our Top-up page and enter your details, then choose Credit/debit card or Voucher and follow the instructions.
If you're a phone customer, you can call 444 free from your Three phone to top-up over the phone.
To top-up by voucher, select Top-up with a voucher and enter the 16-digit number printed across the receipt. Once you’ve entered the voucher code, your account will be topped up.
To top-up by credit or debit card, you need a registered debit or credit card. Log in to My3, click Manage cards in theTop-up section and select Add card. Or you can call 444 from your Three phone. Choose Top-up with a card, then follow the instructions.
To top-up and buy an Add-on, select Top-up your number and buy an Add-on. You can top-up and buy your Add-on using a voucher or by card – you don’t need to register before you buy.
If you want to buy an Add-on that costs more than £35, your card will need to be registered. You can do this in My3 or over the phone, using the info above.
Buy a top-up voucher from any Three store, or from any shop in the UK where you spot the green Top-up logo. You can redeem the voucher by:
Logging into My3 and following the instructions in Top-up your account.
Using our Web top-up option below, Enter the number you’d like to top-up, select Voucher, then follow the on-screen instructions.
Calling 444 from your Three phone, selecting Top-up by voucher and entering the 16-digit number printed on your receipt.