Number Portability is when you transfer your number from one mobile phone network to another, while Number Migration is when you take your number from one contract to another within the same network.
In order to do this you will have to request a PAC code from your current network provider
- Some Service Providers will charge you for this service, or may not allow it at all.
- Orange is the only network that lets you migrate a number from PAYG to Contract.
- You can only take a number to a PAYG connection if you are joining T-Mobile or Orange.