Switching of my new three line to my old one

[Ayokunle1]

Good afternoon,please I will like to switch my ones three line go the old one due to the new package I just sign for.thanks 

[PeteG]

Hello. 

Welcome to the Three Community. 

Sorry, I'm not entirely sure if I've understood correctly. Is it that you've taken a new contract with us, and would like to move your old phone number onto the new contract so that you only have 1 contract and 1 phone number? 

Pete.