| Provider | Top-up Instructions |
| O2 UK | Dial 4444 FREE from O2 Pay & Go mobile or 0845 606 2277 from fixed-line. Enter Voucher Number. For O2UK/Ireland and other selected mobiles: see www.o2.co.uk/topup O2 UK Ltd |
| EE UK | Text VO and 16 digit code to 150. Voucher expires 6 months after purchase. |
| Vodafone UK | Dial 2345 to activate your Big Value Bundle |
| Lycamobile UK | Top-up Enter *131* PIN# Or Dial 321 and follow Instructions. |
| NowMobile UK | Enter *123*PIN# (send) Or Dial 669 Customer Services 669 or +44 207 87 17 669 |
| Talk Home Mobile UK | Text VO and 16 digit code to 150. |
| Three UK | At three.co.uk/topup Or call 444 |
| giffgaff UK | Call 43430 or go to giffgaff.com to convert your voucher into credit. If you are topping up for the first time, go to giffgaff.com/activate to activate your giffgaff account. |
| Lebara Mobile UK | DIAL 5588 TO ACTIVATE THIS CREDIT VOUCHER AND USE YOUR CREDIT |
How to claim your mobile top-up
Updated
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