Buy an O2 top-up on Recharge.com so you will never run out of minutes or texts. It only takes a few taps! We know how frustrating it is not to have enough O2 credit. Just when you need to call your Mom, text your friend or look something up online. With Recharge.com you can top up O2 Pay As You Go immediately. You'll be back on your phone before you know it!
To top up O2 online, simply select the amount you need and enter your phone number. Your payment is fast and easy using PayPal, VISA, Mastercard, credit card/debit card, or more than 23 other safe and secure payment methods. When the payment is complete, your O2 top-up voucher will be topped up immediately online! We will send the O2 mobile top-up code to the email inserted, with instructions on how to redeem the code.
Recharge your O2 top-up number on Recharge.com. It's fast, safe, and simple!
Looking for an alternative or similar product to O2 plans? We recommend:
You can see all the options on our Mobile top-up page.
From your O2 mobile, call the O2 top up number 4444.
From a landline, call 08456 062 277.
To chat with an O2 customer service specialist, visit O2 Contact Us and scroll to the bottom.
The O2 top up voucher will expire after 12 months. Once you have activated the voucher it will not expire as long as your O2 SIM card is active. The O2 SIM will stay active if you call or SMS or browse on the internet using cellular data. Without any activity the SIM will deactivate after 6 months.
Are you traveling abroad? Make sure to recharge O2 using *111*# followed by the call button.