Definitions for "Number portability"
The capability of subscribing individuals, businesses and organizations to keep their existing telephone number when switching to a new local service provider, regardless of whether the service providers are mobile or landline carriers.
A term used to describe a customer's ability to retain his/her existing telephone phone number while switching carriers.
As defined in the Telecommunications Act of 1996, the ability of telecommunications service users to retain, at the same location, existing telephone numbers without impairment of quality, reliability, or convenience when switching from one telecommunications carrier to another.