Porting your mobile number from Three to Sky Mobile

Leaving Three

How to switch from Three and transfer my number to Sky Mobile

Call Three on 333 from a 3-Mobile handset or 0333 338 1001 from any other phone or landline, and ask for your "Port Authorisation Code" or PAC number.

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

  • Three will provide your Porting Authorisation Code (PAC) 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 Three online account settings will remain active until your number has been ported over to the new network. After the transfer is complete, your account will be automatically closed.

While you wait for your Port Authorization Code from Three, get the best Sky Mobile offer for you. Many of these exclusive mobile phone deals are only available online, directly from the network providers listed here.

Got your PAC code from Three?

Provide your PAC code from Three to Sky Mobile online who will then be able to port your existing phone number from Three. 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 existing phone number and be unable to port it over. Once you give your new network provider your PAC code, your old billing account will be closed automatically when your 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.

Joining Sky Mobile

How to switch to Sky Mobile and keep my Three number?

First get your Sky 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 Three mobile phone number you want to keep.
  • The Porting Authorisation Code (PAC) from your previous Three network.
  • The expiry date of the PAC number (valid for 30 days from the date of issue).
  • The temporary mobile number from your new Sky Mobile SIM card activation.
  • You may also need the new Sky Mobile SIM card serial number found on the back.

Ensure your Sky Mobile SIM is activate before transferring your existing number. Once your SIM is activated, you can request the transfer from within your online account or by calling Sky customer services on 03300 413 000.

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 Sky Mobile signal on your mobile phone screen. This will indicate that the transfer is complete, and you can now use your existing phone number in your new mobile network provider.

...more info on Sky Mobile

#keepmynumber

Compare Sky Mobile vs Three

About Sky Mobile

Launched to the public in January 2017, Sky Mobile operates as a full MVNO (Mobile Virtual Network Operator) within the UK, utilising the O2 radio access network infrastructure.

About Three

Three is the brand name of CK Hutchison Holdings under which several UMTS-based mobile phone networks and Broadband Internet Providers are operated in Australia, Austria, Denmark, Hong Kong, Macau, Indonesia, Ireland, Italy, Sweden, and the United Kingdom.

The company was founded in 2002. Three operates 3G and 4G services, and maintains a national roaming agreement with Orange to provide 2G services where 3G is unavailable.