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Keep your number - 'porting'


More about your PAC


Number Porting
  • PAC stands for 'Port Authorisation Code'. It's what allows your current service provider to transfer your number to your new service provider.
  • Your current service provider must give you a PAC (or tell you why they can't give it to you) within two working days.
  • Your PAC is valid for 30 days.
  • You can give us your PAC when you sign up to a new contract in our stores, over the phone or online**.

Is there any reason why my current service provider won't give me a PAC?

They won't give you a PAC if:
  • your number is disconnected
  • you haven't completed your contract's minimum term (if you want a PAC before your minimum term is over, you'll need to pay a fee, which is usually your remaining line rental)

How long does it take to transfer (port) my number?

The port takes place between 9am and 6pm. During this time you may be without service for a short period.

How much does it cost to transfer (port) my number?

Some service providers may charge you a fee to transfer your number. Talk to your current service provider about this.

Can I cancel the transfer (port)?

You can cancel the port up to three working days before your number is due to be ported. If you request a port in two working days, then you will not be able to cancel it.

Which mobile numbers can I transfer?

  • Your main handset number (primary number)
  • Any secondary numbers such as fax, data and priority voice lines. Services on any secondary number not porting at the same time as their associated primary number may be lost. You should talk to your current service provider about this before transferring your number.

Which mobile numbers can I not transfer?

  • Numbers that your current service provider have already terminated
  • Disconnected Numbers

Can I still use the existing services I use on my current network?

  • If you are changing networks, you must subscribe to any specific services with your new network.
  • If you're staying on the same network (for example, moving from O2 Pay as you go to O2 Pay monthly), you should be able to use most of the same services as before.

Will I need a new handset?

  • If you're changing networks, check with your new service provider if your existing handset will work on your new network.
  • If you're staying on the same network, you can use your existing handset.

Can I transfer my number more than once?

Yes. You can transfer your mobile number more than once. But refer to your terms and conditions too.

Important information

  • Getting a PAC does not mean that you have given notice to end your contract. If you get a PAC but don't use it, then nothing happens.
  • You are responsible for telling your current service provider the secondary numbers (for example, fax and data) that you want to transfer along with their primary numbers.
  • Check with your current service provider whether service and subscription charges will continue for any secondary number that stays with them after the primary number is ported out.
  • A request from your new service provider to transfer your number represents a notice to end your contract with your current service provider.
  • Your service, line rental, etc will continue if your current service provider doesn't receive your request to transfer your number, even if you gave notice to end your contract.
  • Once your number has been transferred, any services you receive will be discontinued with your current service provider.

*It must be a working day (Monday to Friday). It must be at least two working days after you bought your contract. If you bought your contract on a non-working day, then the two working days are calculated from the next working day after your purchase. The last date you can transfer your number is the day the PAC expires plus two working days. If your PAC expires on a non-working day, then it's the working day before your PAC expires plus two working days.

**To transfer your number when you sign up to a new contract online, phone us on 0870 087 0870 before placing your order to speak to a member of our team because we're currently unable to process this online.