Get PAC code to keep number & switch to T-Mobile network

Transfer my number to T-Mobile

How to switch to T-Mobile and keep my number?

First get your T-Mobile deal and activate your new SIM card.

Once you have done that, get the following information ready for the step-by-step instructions:

  • Your old mobile phone number that you want to keep.
  • The PAC code (Porting Authorization Code) from your previous network.
  • The expiry date of the PAC number (valid for 30 days from the date of issue).
  • The temporary mobile number from your new T-Mobile SIM card activation.
  • You may also need the new T-Mobile SIM card serial number found on the back as an additional security check.

Call T-Mobile on 150 from your TMobile number, or on 0207 362 0200 from another phone and give them your PAC code from your previous network provider.

T Mobile will then confirm with you the switch date for when your original number will be automatically ported over to your new T-Mobile SIM.

Note: You may lose network service for a short period on the day of transfer. If this happens, turn your phone off and on occasionally, until you see the T-Mobile signal on your mobile phone screen. This will indicate that the transfer is complete, and you can now use your old phone number in your new mobile network provider.

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About T-Mobile

T-Mobile UK is a mobile network operator in the United Kingdom, owned by Deutsche Telekom since 1999, and originally launched as One2One.

In 2009, Deutsche Telekom and Orange SA announced that the T-Mobile network was to be merged with Orange UK in a joint venture with EE Limited to form the UK's largest mobile network.

T-Mobile Network Features

Host Network Provider: EE (MVNO)

2G Network Coverage: Yes

3G Network Coverage: Yes

4G Network Coverage: No

5G Network Coverage: No

WiFi Calling: No

4G Calling (VoLTE): No

Data Rollover: No

Tethering Allowed: No

eSIM: No