O2 PAC Codes (or O2 porting authorisation codes) allow mobile phone customers to transfer (port) their existing O2 mobile phone number from O2 to another mobile phone network and keep their existing O2 mobile phone number. The process is termed mobile number portability (or MNP) and for this process, you require a O2 PAC Code. It is quick and very easy to do - follow the instructions above for full details on how to transfer (port) your O2 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 O2 PAC Code however you should not terminate your O2 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 O2 mobile phone number.
To keep your O2 mobile phone number when switching to another mobile phone network, use our handy tool to obtain your O2 PAC Code. Just select your current and new mobile phone network, click OK and you will receive full instructions for obtaining your O2 PAC code..