Swap your number from one SIM to another

Got a new SIM? Fill in the form on this page and we'll swap your number to your new SIM. It normally takes about 30 minutes for the number to be swapped, but sometimes it can take up to 12 hours.

Looking for your SIM number?

The SIM number is printed on the new SIM card itself. You can also find it through your phone's menu (unfortunately, this isn't available on Android phones).

Enter the number of your SIM card in the form on this page. Use the prefix 89441 followed by the 15 digits on your SIM – none of the letters are needed.

You’ll need to swap your SIM if:

  • You've changed or upgraded your phone and it needs a different size SIM (check our handy guide to see what SIM you need)
  • Your phone’s lost or stolen
  • Your SIM doesn't work

If you’re new or you’re switching from Pay as you go to Pay monthly, you can keep your number by transferring it over.

If you're a large business or corporate customer, please contact your account manager.

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* Mandatory fields (please use the details registered to this account)

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Please ensure the SIM card you want to activate hasn't previously been activated against another number

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By giving us your details, you’re agreeing to being contacted by us. We won’t pass your details onto any third parties.