Get Tesco Mobile PAC code to keep number & switch to SMARTY network

Keep my Tesco Mobile number

How do I get a PAC code from Tesco Mobile & transfer my number to SMARTY?

Call Tesco Customer Care on 4455 from your Tesco Mobile phone or alternatively 0345 301 4455 from another telephone, to request your PAC code.

You can also transfer your number from one Tesco Mobile SIM to another by texting SWAP to 23424 for free from your original SIM card.

If you wish to use the 'text-to-switch' service, simply send the SMS text PAC to 65075 free from your Tesco Mobile SIM to get your Tesco Mobile PAC code by text message and begin the porting process.
Alternatively, you can text STAC to 75075 if you want to switch and get a new SMARTY number instead of keeping and transferring your Tesco Mobile number.

  • Tesco Mobile will provide your PAC (Porting Authorisation Code) either by SMS text message, email, over the phone if you contact them directly, or through an online Tesco Mobile login.
  • 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 Tesco Mobile account will remain active until your number has been ported over to your new SMARTY network. After the transfer is complete, your old Tesco Mobile account will be automatically closed.

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

Got your Tesco Mobile PAC code?

Provide your PAC code from Tesco Mobile to SMARTY who will then be able to port your existing Tesco 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 SMARTY your Tesco Mobile PAC code, your old Tesco Mobile billing account will be closed automatically when your mobile phone number is successfully ported over.

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

Transfer my number to SMARTY

How to switch to SMARTY and keep my Tesco Mobile number?

First get your SMARTY 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 Tesco Mobile mobile phone number that you want to keep.
  • The Tesco Mobile PAC (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 SMARTY SIM card activation.
  • You may also need the new SMARTY SIM card serial number found on the back as an additional security check.

With your PAC code and mobile phone number, log in to your SMARTY account. Then enter these details in the Transfer your number form on your dashboard, and follow the on-screen instructions to begin the porting process.

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 SMARTY 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 SMARTY vs Tesco Mobile

About SMARTY

SMARTY is a UK mobile virtual network operator running on the Three network. SMARTY offers SIM-only plans with no lengthy contracts or credit checks, and provides monthly discounts on unused data from previous months.

SMARTY Network Features

Host Network Provider: Three (MVNO)

2G Network Coverage: Yes

3G Network Coverage: Yes

4G Network Coverage: Yes

5G Network Coverage: Yes

WiFi Calling: Yes

4G Calling (VoLTE): Yes

Data Rollover: No

Tethering Allowed: Yes

eSIM: No


About Tesco Mobile

Tesco Mobile is a mobile virtual network operator (MVNO) in the United Kingdom operated by Tesco, using the O2 network as its carrier.

On 30 January 2014, Tesco Mobile started offering 4G service for its Pay Monthly and Sim Only customers at no extra cost, extending the service to Pay As You Go customers on 24 July 2014.

Tesco Mobile Network Features

Host Network Provider: O2 (MVNO)

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

eSIM: No