Calling the O2 Top-Up line

If you're in a direct dial country, you can call the O2 Top-Up line for free by:

• Calling 4444


• Using Hotkey 3 on your Pay As You Go mobile


• Calling +441753 552 277 from any phone


• Calling 03456 062 277 from any landline


• If you're topping up from a country that doesn't allow direct dialling, enter *111*# then press the call button. Your mobile will go on standby for a few seconds before it rings.

Answer the call and follow the instructions to access the Top-Up line by dialling 4444#.

Voucher Terms and Conditions:
1.Voucher code can be redeemed against the Upfront Cost (up to a maximum of £50) of a handset, tablet or iPad purchased with a 24-month minimum term Refresh tariff, directly from O2 online or telesales only. 2. Excludes devices with no upfront cost, purchased for cash price only or bought from stores or via third parties. 3. Expires 26 June 2017, subject to availability. Max 2000 codes redeemed only. Invalid, duplicate or expired voucher codes will not be accepted. 4. Single use only. One code per transaction. 5. Voucher codes must be used at the point of purchase. 6. Voucher codes are for email recipient’s use only. It is not transferable and cannot be exchanged for cash. No change will be given if the Upfront Cost is less than £50.00 GBP. 7. O2 is not liable for lost, stolen or damaged voucher codes. Please look after your voucher code. 8. If you return your device and if a refund is due on that return, the refund will not include the amount you redeemed using this voucher code. 9. O2 reserves the right to withdraw or amend these Terms and Conditions.