Porting your mobile number from BT Mobile

Leaving BT Mobile

How to switch from BT Mobile and transfer my number

Contact BT Mobile to request your your PAC (Port Authorization Code) by dialing 150 from your BT Mobile or 0800 800 150 from another phone or +44 179 359 6931 from abroad.

If you wish to use the 'text-to-switch' service, simply SMS text PAC to 65075 free from your BT Mobile SIM to request a PAC code by text message and begin the porting process.

  • BT Mobile will provide your Porting Authorisation Code (PAC) either by SMS text message, via email, or over the phone if you contact them.
  • A PAC number is valid for 30 days. If you don't use it within thirty days it will expire and you will need to request a new one.
  • Your BT Mobile online account settings will remain active until your number has been ported over to the new network. After the transfer is complete, your account will be automatically closed.

While you wait for your Port Authorization Code from BT Mobile, find the best offer for you. Many of these exclusive mobile phone deals are only available online, directly from the network providers listed here.

Got your PAC code from BT Mobile?

Provide your PAC code from BT Mobile to your new mobile network operator who will then be able to port your existing phone number from BT Mobile. They will tell you what day the transfer is due to take place (usually within 48 hours).

Important: Do NOT cancel your SIM only or mobile contract before switching, otherwise you may lose your existing phone number and be unable to port it over. Once you give your new network provider your PAC code, your old billing account will be closed automatically when your number is successfully ported over.

Note: Credit on Pre-Pay / PAYG (Pay-As-You-Go) accounts cannot be transferred over and so any remaining credit balance will be lost after the switch is complete. If you have any credit left, one good option is to donate it to a charity by SMS text message before porting your number.

Which mobile network are you switching to?

Select the mobile network to join from the list for further instructions on how to port and keep your number when you switch mobile service providers.

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About BT Mobile

BT Mobile is a mobile virtual network operator (MVNO) provided by BT Consumer and running on the EE network (which is now owned by BT Group following an acquisition that completed in January 2016).

BT Mobile is currently a SIM-only service, and operates alongside BT Business Mobile which is provided by the BT Business division.