United KingdomRecharge a prepaid O2 UK number in United Kingdom. Select a product below and check out securely.
About the operator
Prepaid recharge for United Kingdom
Telefonica UK Limited, trading as O2 UK (stylised as O2), is a British telecommunications services provider. It is the second largest mobile network in the United Kingdom behind VodafoneThree, with approximately 22.4 million subscribers as of December 2025. The name derives from the oxygen molecule.
Source: Wikipedia — O2 (UK)
How it works
Make sure the recipient uses this operator in this destination.
Type the prepaid number carefully. The form validates it for this country.
Choose airtime or a data bundle from the catalog, then pay in cart.
After checkout, ChatRefill submits the top-up through the existing fulfillment flow. Status shows on confirmation. See our terms of use for policy details.
Use the form on this page to enter a United Kingdom number on the O2 UK network, select a product, and complete checkout.
Check the order confirmation status first. If fulfillment fails, follow support using your transaction reference and the terms of use.
Yes. Open the United Kingdom country page to see other supported networks.
