Unique Porting Codes allow you to transfer your existing mobile phone number from one mobile phone network provider to another mobile phone provider so that if you change mobile phone networks you do not have to give everyone a new number. You can keep your existing mobile phone number. The process is termed Mobile Number Portability (MNP), or mobile number porting. During this process, you will require your Unique Porting Code (UPC). It's quick and very easy - follow the instructions above for full details on how to obtain your unique porting code and port your mobile phone number to a new network provider.