Learn in the textbookAdvancement of Mobile Communications and Device Technology
DefinitionMNP (Mobile Number Portability) is a scheme that lets you move to another mobile carrier without changing your phone number.
ExplanationYour contract and SIM switch to the new carrier, but the phone number carries over. With no need to tell everyone a new number, choosing a carrier gets easier.
AnalogyIt is like moving house and hanging the same nameplate on your new door.
Memory hookIt is short for Mobile Number Portability, and "portability" means being able to take something with you.