Whether you're joining TalkTalk Mobile or leaving for a different network, it's a straightforward process to keep your old phone number.

TalkTalk PAC CodeIf you're leaving TalkTalk and joining another network or if you're leaving another network in order to join TalkTalk, it's easy to keep your old phone number. All you need to do is to request a PAC Code: it's totally free and the entire process of transferring your phone number should normally take no longer than one working day.

For detailed instructions, please choose the option that best applies to you:

Leaving TalkTalk For Another Network

TalkTalk Mobile

If you're leaving TalkTalk Mobile and joining another network, you can take your phone number with you.

Start by asking TalkTalk to issue you with a PAC Code. You can get a PAC Code from TalkTalk Mobile by calling 2883 on your TalkTalk Mobile handset. Alternatively, dial 0345 172 0044 from any other phone.

You can request a PAC Code over the phone at any time during TalkTalk Mobile's opening hours:

Monday - Friday8.00am - 8.00pm
Saturday8.00am - 8.00pm
Sunday8.00am - 8.00pm

It's always free to get a PAC Code from TalkTalk Mobile (it's your legal entitlement). After getting your TalkTalk PAC Code, you'll need to provide it to your new network operator. For detailed instructions, please select your new network operator from the dropdown menu below:

PAC Code Finder: How to use your TalkTalk PAC Code

Your new network provider:

Joining TalkTalk From Another Network

TalkTalk Mobile

If you're joining TalkTalk Mobile from another network, you should ask your old network to provide you with a PAC Code. The PAC Code will allow you to transfer your number to TalkTalk Mobile.

After getting the PAC Code, you should order your new handset or SIM card directly from TalkTalk's website. For more information, please select the type of tariff you're wanting to move to:

For a full list of the latest TalkTalk deals, please see this page on TalkTalk Mobile's website.

Get the Latest Deals from TalkTalk Mobile →

Once Your New Phone Arrives...

Once your new phone or SIM card arrives from TalkTalk Mobile, turn it on and make sure everything's working properly. If you need to return or change the new handset/SIM card, please do this before you transfer your phone number.

Once you're happy to continue with the transfer, You can give the PAC Code to TalkTalk Mobile by calling 2883 on your TalkTalk Mobile handset. You can also call 0345 172 0044 from any other phone.

If your PAC Code is provided before 4.00pm, your phone number transfer will normally be scheduled for the next working day (Monday to Friday only, excluding English bank holidays). For PAC Codes submitted after the 4.00pm cut-off, you'll need to wait one extra working day for your number to be transferred.

Upgrading Your Plan On TalkTalk

TalkTalk Mobile
TalkTalk Mobile

If you're simply upgrading to a newer handset or tariff, it's not necessary to use a TalkTalk Mobile PAC Code. You can simply upgrade via TalkTalk Mobile's website. For more information, please select the type of tariff you're planning to move to:

More Information

For more information, please see the TalkTalk Mobile website. You can also read our full guide on using a PAC Code: there's frequently asked questions amongst other tips for transferring your phone number.

For discussion, please see the comments on this page. They show other people's experiences either when using a TalkTalk PAC Code or when transferring their phone number from another network to TalkTalk Mobile.

Your Comments 1,620 so far

We would love to hear your comments: either about using a TalkTalk Mobile PAC Code or transferring your phone number from another network to TalkTalk Mobile. The comments below are all from people who've done the same thing in the past. You can contribute by adding your own comments here.

To see all 1620 comments about transferring a phone number, please see the main PAC Codes article.

  • I have two sim only i phone 4 ( my own phones ) contract with TalkTalk. Each phone has its own number.
    I like to cancel one of the phone ( I use WhatsApp with this phone) contract and transfer the number to the phone ( no WhatsApp is installed) I am going to keep.
    Please tell me what I need to do.

    Tony transferred a phone number within TalkTalk Mobile.

    • Hi Tony,
      Many thanks for your comment. In the first instance, I’d probably get in contact with TalkTalk customer support to see if they’re able to arrange this for you. If they aren’t, you can achieve the same outcome using a PAC Code but you will need to port your phone number out to another mobile network before porting it back in (e.g. grab a free SIM card from another mobile network, port your phone number out to that and then back into your new TalkTalk Mobile SIM).
      Hope this helps,

  • Ken

    Thank you for publishing these pages – It had partially helped me. I have recently transferred a mobile number from TalkTalk to Talkmobile using their PAC. Unfortunately it then took 3 months of fighting TalkTalk for them to close my account as they claimed the number hadn’t been disconnected…

    My currently problem is the opposite. I transferred the number from TalkTalk to Three, but Three claim the PAC is not linked to a mobile number. TalkTalk has disconnected the number, saying it was successfully transferred. This is my ex-business number, so I was keen to keep it. Who is responsible for ensuring the PAC is linked to the number? Both parties blame each other…

    Nigel Aplin transferred a phone number from TalkTalk Mobile to Three.

    • Hi Nigel,
      Sorry to hear about the problems you’ve faced transferring phone numbers from TalkTalk Mobile to Talkmobile & Three. It looks like some really strange things are happening over at TalkTalk (whether this is due to problems with their system or with their customer service, I’m not sure).
      Typically, I’d say the destination network (in this case, Three) is responsible for the number moving over successfully to their network. Hence, I normally advise people to contact their new mobile network first. In your case, it sounds like you’ve already done and they’ve told you it was a problem with the original PAC Code from TalkTalk Mobile. In this case, the responsibility would fall with TalkTalk as it’s their legal obligation to provide you with a PAC Code that works!
      Unfortunately, if the two networks continue blaming each other for this mistake, I’m unable to really help you out much further except from to suggest you make a formal complaint in writing to both parties. But hopefully this gives you a good idea of the responsibilities held by each party, and best of luck resolving it with TalkTalk & Three.

  • I have recently transferred from Tesco to Talktalk mobile (last Monday) and for 2days I could make phone calls but not receive them. Dialing my number from my landline gave varying results from “You have dialed an incorrect number” to 2 ring tones then disconnected tone then “this number is not receiving calls at the moment”.
    Due to 2days of frustration I demanded the PAC code back and Transferred back to Tesco but the problem remained even with Tesco.
    Now a further 2 days without incoming calls (except from a friend with a Tesco SIM) I am again totaly frustrated.
    I have complained bitterly to tesco but still waiting. can you make any suggestions

    Harry Orchard transferred a phone number from Tesco Mobile to TalkTalk Mobile.

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