Portability of Toll Free

In 1991, the Federal Communications Commission enacted a regulation that made 1-800 numbers ‘portable’—this simply means the number can be moved from carrier to carrier. (This is referred to as “porting” the number.) The idea was that subscribers should never have to worry about losing control of their preferred phone number if they switch carriers and they should never be locked into inferior service.

Most 800 Numbers Already Unavailable

UPDATE: The scarcity of toll free numbers is having an impact on telecom businesses nationwide. At&t no longer has 800 area codes available through it’s online toll free lookup tool. A number of other providers have followed suit and stopped offering the 800 numbers to their telephone subscribers.

Read more here.