Get Sky Mobile PAC code to keep my number & transfer to Three network

Keep my Sky Mobile number

How to get a PAC code from Sky Mobile & transfer my number to Three

Sky Mobile customer services can be contacted by telephoning 03300 412 524 to cancel your account and request your Port Authorisation Code (PAC). Your Sky Mobile will remain active until your number has been ported over to your new network. Once the transfer is complete, your account will then be automatically closed.

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

  • Sky 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 Sky Mobile account will remain active until your number has been ported over to your new Three network. After the transfer is complete, your old Sky Mobile account will be automatically closed.

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

Got your Sky Mobile PAC code?

Provide your PAC code from Sky Mobile to Three who will then be able to port your existing Sky 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 Three your Sky Mobile PAC code, your old Sky 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 Three

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

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

Call Three customer service on 333 from a 3-Mobile handset or 0333 338 1001 from any other phone or landline. You will need to have a Three account already active before you can transfer your old number.

Alternatively, you can fill in the online form to bring your existing number to Three.

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 Three 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 Three vs Sky Mobile

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.

Founded in 2002, Three operates 5G, 4G and 3G services within the United Kingdom, and is the only UK network operator not to offer 2G coverage.

Three Network Features

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


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.

Sky Mobile Network Features

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: Yes

Tethering Allowed: Yes