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Simply enter *100# on your mobile and press the call button. You'll instantly see your remaining Giffgaff mobile credit balance
You can ask your question on the Giffgaff Community website or log in to your account and ask a support agent.
The easiest way is to top up your Giffgaff voucher online. Log in to your My GiffGaff account to redeem it from anywhere.
By using this service, you consent to the terms and conditions of Giff Gaff.