Last Updated on August 4, 2025 by admin
Managing your airtime bill and topping up your balance can often feel overwhelming, especially with the variety of options available to customers of Three UK. Whether you’re new to the network or a long-time user, understanding how to navigate your payments is essential for maintaining seamless connectivity.
Managing your mobile expenses is an essential part of staying connected in today’s fast-paced world, and paying your Three UK airtime bill efficiently is a vital aspect of this process.
As one of the major mobile service providers in the UK, Three offers a variety of payment options tailored to meet the diverse needs of its customers. Whether you prefer traditional methods like direct bank transactions or more modern, digital solutions, Three UK ensures that settling your airtime charges is as convenient as possible.
understanding your options can save you time and sometimes money, while also ensuring uninterrupted service. This flexibility is particularly beneficial in an age where lifestyles and routines vary widely among individuals.
For those who prioritize the convenience and security of digital transactions, Three supports online payments through its website or mobile app, allowing users to review their statements and make payments anytime and anywhere.
In this guide, we will walk you through the various methods of paying your airtime bill and topping up your balance, ensuring you’re well-equipped to handle your mobile expenses with ease. From online payments to using the Three UK app, we’ll cover everything you need to know to keep your service uninterrupted.
Read; How to contact Vodafone UK telecom customer care service
Ways to to up your airtime on three uk
Pay by Direct Debit
Paying your airtime bill by Direct Debit is easy, and saves you £5 a month. Once set up, your monthly airtime bill amount will come out of your account between 10 and 19 days after your bill date. Check your bill to confirm when your airtime Direct Debit will be taken.
The Direct Debit reference for your airtime account will show on your bank statement as H3G.
On the Three app:
- Open the Three app
- Select Account
- Select Account settings
- Select Regular Payments
- Select Change Payment Method
- Select Direct Debit from the drop down
- Follow the remaining on-screen instruction to complete setup
In My3:
- Log in to your account and select the Account tab
- Scroll to Manage payments and select View details
- Select Edit/Add
- Select the Direct Debit account you want to use or, to add a new Direct Debit account, select Pay with a different payment method
- Follow the remaining on-screen instructions
- Select Save to complete setup
By post:
- Download the Direct Debit form (PDF)
- Print it out
- Fill it in and post it to the address at the top of the form
Read: How to Contact Three Uk Telecom Customer Care Service
Using Direct Debit For Automatic Payments
You can register a debit or credit card so that you can pay your airtime bills, or add credit to your account on an ad-hoc basis. This method ensures that your monthly bill is paid on time without the need for you to manually process the payment each billing cycle.
Direct Debit is set up by linking your bank account to Three UK, allowing the company to automatically withdraw the bill amount on the predetermined due date.
Setting up Direct Debit with Three UK is straightforward. You can initiate the process either through their website or by contacting customer service. You’ll need to provide your bank account details, including the account number and sort code, to authorize the automatic payments. Once set up, you’ll be notified of the amount that will be deducted each month, usually via email or SMS.
Direct Debit is not only secure but also provides a reliable method of payment since it complies with the Direct Debit Guarantee. This guarantee ensures that you’re protected in the event of an error, giving you peace of mind. Choosing this method allows you to focus on more crucial aspects of your life, confident that your airtime bill will always be settled punctually.
Pay by credit or debit card
Regular card payments
You can use your credit or debit card for regular payments to your airtime bill. This is an alternative to a Direct Debit and will still save you £5 a month. This isn’t available for your separate device plan agreement Direct Debits.
On the Three app
- Open the Three app
- Select Account
- Select Account settings
- Select Regular Payments
- Select Change Payment Method
- Select Automatic Card Payments
- Add your card details to complete setup
In My3
- Log in to your account and select the Account tab
- Scroll to Manage payments and select View details
- Select Edit/Add
- Select Pay with a different payment method
- Select Pay by card
- Follow the on-screen instructions
- Select Save to complete setup
Ad-hoc card payments
On the Three app
- Open the Three app
- Select Bills
- Select Make a prepayment or Make a Payment
- Select the amount you want to pay
- Select Confirm Amount
- Add your card details to make the payment
In My3
This option is always available for your airtime account.
- Log in to your account
- Click Make a prepayment or Pay Now
- Select the amount you want to pay
- Select Pay Now to make the payment
Payment phone line
You can use our self-service payment line to pay your airtime bill.
Call 400 from your Three phone or 0333 338 1005 from any other phone.
Please note: This option is only for airtime bill payments and isn’t available for device plan agreement payments.
With an agent
Get in touch with one of our team and we’ll help you make a payment.
Paying Over The Phone
Paying your airtime bill over the phone with Three UK is a convenient option that allows you to manage your expenses without the need for internet access or visiting a physical store.
To begin, have your Three account details and payment method ready, such as your credit or debit card information. Call 400 from your Three phone or 0333 338 1005 from any other phone. Three UK’s customer service number.
Once you are connected, you will typically be guided through an automated system that will take you through the steps necessary to complete your payment.
Be sure to listen carefully to the instructions provided. If at any point you encounter difficulties or have questions, you can often opt to speak directly to a customer service representative who can assist you further.
This method also enables you to address any payment concerns immediately, ensuring that your phone service remains uninterrupted. Always ensure that you keep a record of your payment confirmation number for future reference.
You can use our self-service payment line to pay your airtime bill.
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Other ways to pay your bill
Overseas bank
Paying your airtime bill from a bank overseas can take up to 10 working days to appear on your account. You’ll need the following details:
- SWIFT code (this is also known as Bank Identifier Code or BIC): MIDLGB2110C
- Sort code: 40-02-50
- Account number: 81238817
Use your Three account number as the reference. It’s at the top of your bill and starts with a 9 or a 1.
If your bank is within the EU, you can also use our International Bank Account Number (IBAN) to pay us, which is: GB19MIDL40025081238817.
This payment method can’t be used for device loan agreement payments.
Cheque
Cheques should be made payable to ‘Three’. You must write your airtime account number on the back, otherwise we won’t be able to match your payment to your account. You’ll find your airtime account number at the top of your bill. It begins with either 9 or 1.
Cheques should be sent to:
Three Payment Centre
PO Box 1525
Northampton
NN1 9HJ
Telephone or online banking
You can set up a payment to pay your airtime bill with your bank using these details:
- Company Name: Hutchison 3G UK Ltd
- Sort code: 40-02-50
- Account number: 81238817
Use your Three account number as the reference. You can find it at the top of your bill and it begins with either 9 or 1.
Remember, you won’t be able to get the £5 monthly discount if you pay this way. It can take up to 5 working days to see the payment on your account.
This payment method can’t be used for device loan agreement payments.
