Buy your Three top up online

Buying Three top up on Reloadbase is the fast, safe and simple way to stay connected. You do not have to get a Three Mobile contract. Whenever you need more call credit or mobile data, you can top up Three instantly on Reloadbase.

Frequently Asked Questions about Three Top Up

How to top up my Three call credit?

You can buy your 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 or Visa.
  3. Complete your payment.

How can I check my Three credit balance?

You can check your Three credit or mobile data balance with 2 options.

Option 1: Call

  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.

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 active chargeable action at least every 6 months with your Three mobile number or Three UK will deactivate your SIM/number. The chargeable action can be a call, a text message or data usage.

How do I top up Three from abroad?

There are two ways to top up Three from abroad.

  1. If you have remaining call credit on your Three mobile SIM, call +44 7782 333 444 and follow the instructions.
  2. If you do not have remaining call credit, get access to Wi-Fi or 3G and get your 3 top up online within seconds.

How do I contact Three’s customer service?

Three customer service is easily reachable by phone:

  1. From your 3 mobile, call 333
  2. From another phone, call 0333 338 1001
  3. From abroad, call +44 7782 333 333