Get T-Mobile PAC code to keep my number & transfer to ASDA Mobile network

Keep my T-Mobile number

How to get a PAC code from T-Mobile & transfer my number to ASDA Mobile

T-Mobile customer services can be contacted by either dialing 150 from a T-Mobile SIM, or 0207 362 0200 from another phone, to request your "Port Authorisation Code" (PAC) at the same time that you give your notice of leaving TMobile.

If you wish to use the 'text-to-switch' service, simply SMS text PAC to 65075 free from your T-Mobile SIM to get your T-Mobile PAC code by text message and begin the porting process.

  • T-Mobile will provide your PAC code (Porting Authorisation Code) 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 T-Mobile account will remain active until your number has been ported over to your new ASDA Mobile network. After the transfer is complete, your old T-Mobile account will be automatically closed.

While you wait to get your T-Mobile PAC code, find the best ASDA Mobile online offer for you. Many of these exclusive mobile phone deals are only available online, directly from the network providers listed here.

Got your T-Mobile PAC code?

Provide your PAC code from T-Mobile to ASDA Mobile who will then be able to port your existing T-Mobile number. 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 current phone number and be unable to port it over. Once you give ASDA Mobile your T-Mobile PAC code, your old T-Mobile billing account will be closed automatically when your mobile phone 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.

Transfer my number to ASDA Mobile

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

First get your ASDA Mobile package and activate your new SIM card.

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

  • Your old T-Mobile mobile phone number that you want to keep.
  • The T-Mobile 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 ASDA Mobile SIM card activation.
  • You may also need the new ASDA Mobile SIM card serial number found on the back as an additional security check.

Call the ASDA Mobile Helpline on 2732 from your ASDA Mobile phone or 0800 079 2732 from a landline and tell them your PAC code number and the network you are moving from. ASDAmobile will send you a text to let you know when your number has been ported across.

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 ASDA 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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Compare ASDA Mobile vs T-Mobile

About ASDA Mobile

Asda Mobile is a mobile virtual network operator (MVNO) in the United Kingdom, operated by ASDA, using the Vodafone network, having previously used the EE network until March 2021.

Asda Mobile is available in hundreds of stores across the UK and online by purchasing ASDA Mobile Bundles which give you 30 day bundles with no fixed contract.

ASDA Mobile Network Features

2G Network Coverage: Yes

3G Network Coverage: Yes

4G Network Coverage: Yes

5G Network Coverage: Yes

WiFi Calling: No

4G Calling (VoLTE): No

Data Rollover: No

Tethering Allowed: Yes


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

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