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How do I top up using a giffgaff top-up voucher?

Started ‎22-03-2012 by
Modified ‎17-05-2017 by

Topping up your giffgaff balance with a voucher is easy, just follow the guide.


Purchasing a top-up voucher

giffgaff vouchers can be bought in most shops providing epay, payzone or paypoint services. Don't know where to find one of these shops near you? Check this article for more details. You can also find them in Post Offices and most supermarkets.


If you can't find a giffgaff voucher at your favourite shop, you can get an O2 voucher, they also work. If you buy a voucher for O2, make sure to follow the steps described in the next sections, and not those printed on the voucher itself.



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Redeeming a top-up voucher

The voucher can be redeemed from your giffgaff mobile, or online.


From your mobile

Call 43430 for free with your giffgaff phone and follow the voice prompts along the way.



redeem a voucher.png

  • Enter your voucher's 16 digits code in the field - if the code is rejected, see here how to solve it.
  • Click on "Redeem".

Please note that top-up vouchers can take up to 24 hours to be applied to your account balance.



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Activating your SIM using a top-up voucher

You can also use a voucher to activate your new SIM, but you must redeem the first voucher online - the 43430 top-up number WILL NOT be available until your SIM is activated.



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 Your screen will change to:


Activate Your SIM by Voucher.png


  • Enter the 6 digit SIM code
  • Click Continue
  • If prompted, log into your account or create a new one
  • Enter the 16 digit voucher code when prompted
  • Check/amend the other details
  • Click Activate my SIM

If you want to purchase a goodybag you must wait until the SIM has been activated then purchase a goodybag in exchange for airtime credit.


IMPORTANT: Please make sure that your mobile data is turned OFF otherwise your credit may be used before you purchase a goodybag.

Once this first top-up has been done online, you'll be able to redeem your next vouchers with your mobile phone.



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Buying a goodybag using a top-up voucher

To buy a goodybag or gigabag, first redeem you voucher into airtime credit as shown above and then see this article.


You can also buy goodybags using a voucher over the 43430 top-up service. See this article.



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Solving issues with vouchers

If you still have troubles using a top-up voucher after reading this article, you can find explanations on the resolution of known issues on this article.


This section will tell you what to do when your voucher code is presented as invalid, or when the system tells you it has already been used.



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Version History
Revision #
51 of 51
Last update:
‎17-05-2017 14:07
Updated by:

Created by:

chriskm on: 22/03/2012 | 21:56

Last edited by:

scrappydez on: 17/05/2017 | 14:07