How to Top Up O2 with PayPal
The only catch is that you’ll need to keep an eye on your balance. Once your credit runs out, your service can slow down or even stop, so to avoid losing connectivity, it’s best to keep your top-up routine consistent and make sure your phone always has enough credit to function.The good news is that with mobiletopup.co.uk, it’s incredibly easy to keep your balance topped up. And whether you use PayPal, Mastercard, Visa,Google Pay, American Express, Maestro, China UnionPay, or Discover, we’ve got you covered. Every top-up code gets delivered to your inbox in just a few seconds, with all purchases backed by strong digital security and backed by our excellent customer support team.Read on for a quick guide on using mobiletopup.co.uk to update your balance and continue enjoying the tremendous benefits of O2 pay-as-you-go for the long haul.
Mobiletopup.co.uk is the UK’s #1 source for O2 top-ups
Topping up should be easy, and that’s exactly what mobiletopup.co.uk delivers. Skip the trip to the shop and forget about navigating complicated menus. Everything happens online, fast. Whether you're in the UK or travelling, you can add credit any time you need it.You pick the amount, choose how you want to pay, and get your top-up code by email almost instantly. It’s streamlined and reliable. If you’re helping someone else top up, it works just as well. You don’t need access to their account or payment details—just the number.Payments are secure and encrypted, and the site only works with verified partners. You’re buying from an official reseller, which means peace of mind, every time.If you rely on PAYG and need a dependable way to keep your balance active, mobiletopup.co.uk does the job efficiently. We focus on one thing and do it well: quick, secure credit whenever you need it. And if you need help, our customer support team is there to offer it.How to top up your O2 balance using mobiletopup.co.uk
First, you need to purchase your top-up voucher from mobiletopup.co.uk.- Go to https://www.mobiletopup.co.uk/o2
- Select your desired top-up amount.
- Enter the email address where the code will be delivered (must be valid).
- Choose your payment method from Mastercard, Visa, PayPal, Google Pay, American Express, Maestro, China UnionPay, or Discover.
- Click “secure payment” to complete the transaction. The code will arrive in the inbox of the email address you provided within seconds.
- Dial 4444 from your O2 mobile phone, or 0345 606 2277 from a landline.
- Follow the instructions to enter your voucher code when prompted.
Mobiletopup.co.uk: the easiest way to stay connected using PayPal
Mobiletopup.co.uk offers a wider variety of payment methods than competitors, which makes keeping your balance topped up and ready to use easier than ever. There’s no need to leave the house or dig through confusing account settings, just choose your amount, pay your way, and get your code delivered in seconds. Go to mobiletopup.co.uk to top up your balance using PayPal (or any other payment method) today!How to Top Up O2 with PayPal
Prepaid mobile plans give customers total control over their phones. With no binding contracts to worry about, you're free to come and go as you please, paying only for the calls, texts, and data you actually use. This setup naturally prevents overspending and eliminates the frustration of paying for unused data each month. It's also a smart option for anyone staying in the UK temporarily; since there’s no long-term commitment, switching providers or plans is as simple as popping in a new SIM. Prepaid options are even generally more affordable than monthly contracts, and because there are no cancellation fees or credit checks, they’re accessible and easy to manage.

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.
Instant code delivery by email
Safe & secure payment
Certified reseller