How to Top Up

Here's all the ways you can apply your Voucher to your Three phone

  • Why use

    Safe & Secure Payment
    We are a PCI compliant company, You can use any Credit or Debit Card, Google Pay & Apple Pay.

    Fast Delivery
    You will receive your Voucher code by SMS and email with 30 seconds.

    Your Privacy is Protected
    Once you use your Voucher Code your details are wiped from our system automatically.

  • How do I top up my Three phone?

    By Phone:

    1. Dial 444 from your Three mobile
    2. From the menu, choose the option Top-up with a voucher and follow the instructions.
    3. When asked, enter the 16-digit voucher code you have received. Confirm and you're topped up!


    1. Visit the Three Website using your phone or computer
    2. Enter your Three mobile number and select the voucher option
    3. Enter your 16 digit voucher code

  • How do I check my Three balance?

    On the Three App:

    Open the My Three app. In the homescreen, find the Credit tile. It shows your current call credit balance.


    Go to the Three Website and view your remaining balance by logging into your My Three Account

    By Phone:

    Dial 444 from your Three mobile and you will hear your balance.

  • How long is my Three call credit valid for?

    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.

    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.

  • How do I top up Three when abroad?

    By Phone:

    If you have remaining call credit on your Three mobile SIM, just call +44 7782 333 444 and follow the instructions.


    Get access to Wi-Fi or 3G and visit the 3 Website to top up online

  • How do I contact Three customer service?

    By Phone:

    From your 3 mobile, call 333.


    From other UK landlines or mobiles, call 0333 338 1001 (standard call charges apply).


    From abroad, call +44 7782 333 333

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