Get 1pMobile PAC code to keep number & switch to TalkTalk Mobile network

Keep my 1pMobile number

How to get a PAC code from 1pMobile & transfer my number to TalkTalk Mobile

Get a PAC code from 1pMobile by using the contact form (after you've logged in) to request 1pMobile PAC codes in order to transfer your mobile number out when you leave.

You can also call the 1p Mobile customer support team on 03333 442278, between 9am and 5.30pm, Monday to Friday (excluding public holidays).

If you wish to use the 'text-to-switch' service, simply SMS text PAC to 65075 free from your 1pMobile SIM to get your 1pMobile PAC code by text message and begin the porting process.

  • 1pMobile will provide your PAC code (Porting Authorisation Code) either by SMS text message, email, over the phone if you contact them directly, or through an online 1pMobile 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 1pMobile account will remain active until your number has been ported over to your new TalkTalk Mobile network. After the transfer is complete, your old 1pMobile account will be automatically closed.

While you wait to get your 1pMobile PAC code, find the best TalkTalk Mobile 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 1pMobile PAC code?

Provide your PAC code from 1pMobile to TalkTalk Mobile who will then be able to port your existing 1pMobile 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 TalkTalk Mobile your 1pMobile PAC code, your old 1pMobile 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 TalkTalk Mobile

How to switch to TalkTalk Mobile and keep my 1pMobile number?

First get your TalkTalk 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 1pMobile mobile phone number that you want to keep.
  • The 1pMobile 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 TalkTalk Mobile SIM card activation.
  • You may also need the new TalkTalk Mobile SIM card serial number found on the back as an additional security check.

Your TalkTalk mobile SIM card needs to be activated before you can transfer your existing number. Once your SIM is active, you can request the transfer from your online account or by telephoning TalkTalk customer service on 2883 from your TalkTalk Mobile or 0345 172 0088 from any other phone.

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 TalkTalk 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.

...more info on TalkTalk Mobile

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Compare TalkTalk Mobile vs 1pMobile

About TalkTalk Mobile

TalkTalk is a company which provides television, telecommunications, Internet access, and mobile network services to businesses and consumers in the United Kingdom.

Originally just a provider of fixed line telephony services to consumers, TalkTalk now offers fixed and mobile telephony and broadband services to consumers.

TalkTalk Mobile Network Features

Host Network Provider: Vodafone (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: Yes

eSIM: No


About 1pMobile

1pMobile is a Mobile Virtual Network Operator (MVNO) running on the EE network, with a mission to provide low cost calls, texts and data without the need for lengthy contracts that can lead to additional charges.

As a pre-pay (PAYG) mobile service, 1p Mobile offers a simple tariff of 1p per MB of data, 1p per SMS text message, and 1p per minute calls to UK landlines & mobile phones.

1pMobile Network Features

Host Network Provider: EE (MVNO)

2G Network Coverage: Yes

3G Network Coverage: Yes

4G Network Coverage: Yes

5G Network Coverage: Yes

WiFi Calling: Yes

4G Calling (VoLTE): No

Data Rollover: No

Tethering Allowed: Yes

eSIM: No