Three PAC Codes (or Three porting authorisation codes) allow mobile phone customers to transfer (port) their existing Three mobile phone number from Three to another mobile phone network and keep their existing Three mobile phone number. The process is termed mobile number portability (or MNP) and for this process, you require a Three PAC Code. It is quick and very easy to do - follow the instructions above for full details on how to transfer (port) your Three mobile phone number to another mobile phone network.
IMPORTANT: You can sign up to a new contract with another mobile phone network before requesting your Three PAC Code however you should not terminate your Three mobile phone contract until you have requested and used your PAC Code. If you fail to observe this, then you will potentially lose your existing Three mobile phone number.
To keep your Three mobile phone number when switching to another mobile phone network, use our handy tool to obtain your Three PAC Code. Just select your current and new mobile phone network, click OK and you will receive full instructions for obtaining your Three PAC code..