O2 Top Up

How it works: Top up with any provider and you are automatically entered to win 3x your order amount.
O2 Top Up
Get your O2 top up online from mobiletopup.co.uk. We’re always open and you’ll have your new O2 top up within 30 seconds. If you’re using an O2 pay as you go mobile, you probably dread the feeling of running low on call credit with no shop in sight. You don’t have to feel this way anymore.
To get started, pick the amount of O2 call credit or mobile data you want. Then pay with your preferred payment method. Choose between PayPal, Maestro, Discover, Mastercard, Diners, Visa, or China UnionPay. Payment completed? Your O2 top up code will show directly on your screen. You’ll also receive it by email within 30 seconds. Welcome to the fast, safe and simple way to stay connected.
To get started, pick the amount of O2 call credit or mobile data you want. Then pay with your preferred payment method. Choose between PayPal, Maestro, Discover, Mastercard, Diners, Visa, or China UnionPay. Payment completed? Your O2 top up code will show directly on your screen. You’ll also receive it by email within 30 seconds. Welcome to the fast, safe and simple way to stay connected.
Frequently Asked Questions
How do I top up O2 pay as you go?
Once you have your O2 top up voucher from mobiletopup.co.uk, here’s how you finalise your O2 pay as you go top up:
In either of these cases, simply follow the spoken instructions. When prompted, enter the O2 top up code we sent you.
- From your O2 mobile, call the O2 top up number 4444.
- From a landline, call 08456 062 277.
In either of these cases, simply follow the spoken instructions. When prompted, enter the O2 top up code we sent you.
Can I buy O2 Top Up online with PayPal?
You can buy any mobile top up product on Mobiletopup.co.uk with PayPal. That means also O2 Top Up. All you need to do is decide how much O2 call credit or mobile data you want. And then select PayPal as your payment method during checkout.
How do I check my O2 balance?
If you want to check if your O2 top up was successful, you have several options to see your current balance.
Check your O2 balance from your O2 mobile:
Check your O2 balance from a different phone or device:
If you have a My O2 account, you can sign in to it from any phone or computer to check your O2 balance. You don’t even need your SIM with you.
No existing My O2 account? In this case, insert your O2 SIM into any phone. Turn your Wi-Fi off and go to the My O2 website. There you’ll see your O2 balance without needing to sign in. Visiting the My O2 website doesn’t incur data charges.
Check your O2 balance from your O2 mobile:
- Dial hotkey 2. Your O2 balance will appear on your screen.
- Enter *#10# and press the call button. Your O2 pay as you go balance will appear on your screen.
- Dial 4444 to hear your balance on your phone.
Check your O2 balance from a different phone or device:
If you have a My O2 account, you can sign in to it from any phone or computer to check your O2 balance. You don’t even need your SIM with you.
No existing My O2 account? In this case, insert your O2 SIM into any phone. Turn your Wi-Fi off and go to the My O2 website. There you’ll see your O2 balance without needing to sign in. Visiting the My O2 website doesn’t incur data charges.
How long is my O2 call credit valid for?
An O2 top up voucher will expire after 12 months if you don’t activate it. Once activated, your O2 call credit doesn’t expire as long as your O2 SIM card is active. To keep it active, make at least one chargeable activity (e.g. a call, a text or mobile data usage) every 6 months. Otherwise, O2 UK will deactivate your SIM card. This will also result in losing any call credit remaining on it.
How do I top up O2 from abroad?
There are two options to activate your O2 top up voucher from abroad.
- Call 4444 from the mobile phone you want to top up.
- Enter *111*# followed by the call button. Then, follow the instructions. When prompted, enter the top up code we sent you.
How do I contact O2's customer service?
By Phone:
Online:
To chat with an O2 customer service specialist, visit the O2 customer service page and scroll to the bottom.
- From your O2 mobile, dial 4445.
- From another phone, dial 0344 8090222.
- From abroad, dial +44 7860 980 202.
Online:
To chat with an O2 customer service specialist, visit the O2 customer service page and scroll to the bottom.
Promotion Terms for Hot Days, Cool Deals Giveaway Campaign
Promotion Terms for Hot Days, Cool Deals Giveaway Campaign – https://beltegoed.nl/, https://www.guthaben.de/, https://www.recharge.fr/, https://www.mobiletopup.co.uk/, https://www.recharge.com/ (Netherlands, Germany, France, United Kingdom, and Austria) and respective mobile applications.
1. Can I participate?
2. How can I participate?
3. What can I win?
4. How do I know if I won?
5. I have a complaint
6. Data Protection
7. General Conditions
Drawn up in Amsterdam on 18/07/2025.
- These Promotion Terms are applicable to the promotional campaign (“Promotion”) organised by Recharge.com International B.V. (“Recharge.com”), based in the Netherlands (Amsteldijk 216, 1079 LK, Amsterdam).
- The Promotion Terms are available on Recharge.com’s websites https://beltegoed.nl/, https://www.guthaben.de/, https://www.recharge.fr/, https://www.mobiletopup.co.uk/, https://www.recharge.com/ (Netherlands, Germany, France, United Kingdom, and Austria) and respective mobile applications (“Participating Websites”)
- The Promotion offers those who make a purchase of any mobile top-up provider of any denomination on Participating Websites during the Promotion Period (as specified below) the option to enter into a prize draw to win triple times their order made during the respective campaign week (“Prize”).
- Total worth of the Prizes: 40 winners. Maximum total prize amount per winner is €60.
- The Promotion will take place between 01/07/2025 - 31/07/2025 (“Promotion Period”). Participation in the Promotion is only possible during the Promotion Period.
- Two winners will be selected every week. The draw will take place on the first Monday after each week.
- By participating in the Promotion, you are bound by the Promotion Terms.
1. Can I participate?
- The Promotion is open to anyone who is above 18 years old.
- Minors are excluded from the Promotion.
- Employees of Recharge.com, their respective branches and subsidiaries, and members of their families or households are not eligible to participate.
2. How can I participate?
- Once you place an order for any mobile top-up provider of any denomination during the Promotion Period on the Participating Websites, regardless of the amount, you will enter into the prize draw with the e-mail address used for the order. There are no costs associated with entering into the draw.
- Each e-mail address used for an order of any mobile top-up provider of any denomination on the Participating Websites, regardless of the amount, is eligible for a single entry into the draw per week.
- In the case of false or misleading entries or actions, you are excluded from participation.
- Prize winners will be selected through a fully-automated random draw from all received entries.
3. What can I win?
- There will be 40 winners drawn from all participants.
- The winners of the Promotion will be awarded with triple times their order made during the respective campaign week. Maximum total prize amount per winner is €60.
- Prizes are non-transferable & cannot be returned and/or exchanged for money or other goods or services.
- All taxes, fees, and other costs arising from the prize are for the account of the winner, unless stated otherwise.
4. How do I know if I won?
- If you have won the Prize, you will receive an e-mail. Weekly winners are announced on the first Monday after each campaign week.
- Recharge.com will not publish your name in respect of the results of the prize draw, unless we have asked for your consent.
5. I have a complaint
- In case of a complaint regarding this promotion, please let us know via help@cs.recharge.com and we will do our best to find a solution with you.
6. Data Protection
- All submissions become the property of Recharge.com and are not confirmed or returned.
- The information and personal data collected upon registration at the Promotion will be used in accordance with these Promotional Terms and our Privacy Statement.
- Your data will be processed in accordance with our Privacy Statement, which can be found here: https://beltegoed.nl/privacy, https://www.guthaben.de/datenschutzerklaerung, https://www.recharge.fr/politique-de-confidentialite, https://www.mobiletopup.co.uk/privacy, https://www.recharge.com/en/ie/privacy-statement .
7. General Conditions
- By participating, you declare to be bound by these Promotion Terms and the decisions of Recharge.com, which are final and binding on all matters related to this Promotion.
- The Promotion is subject to Dutch law.
- Recharge.com reserves the right to discontinue the Promotion at any time without prior notice.
- Recharge.com reserves the right, at its own discretion, to disqualify any person who violates the participation process or the execution of the Promotions, or violates any legislation or regulations, or behaves in an unsportsmanlike or disruptive way.
- The use of equipment or computer software to automate the participation process is prohibited.
- Recharge.com is not responsible for: incorrect or inaccurate submission information, human errors, typographical or transcription errors, technical defects, malfunctions, breakdowns, injury or damage to the participant's computer or any third party in connection with - or as a result of participation in these Promotions, inability to access a website, malicious processing, unauthorized access to entries, transactions that are processed late or incorrect, or other mistakes.
Drawn up in Amsterdam on 18/07/2025.
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