A Letter of Agency is a document authorizing a telecommunications provider to act on a consumer's behalf. Some vendors may also call this a Letter of Authorization This is generally required in the United States

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 when switching a telephone

Telephone

The telephone , colloquially referred to as a phone, is a telecommunications device that transmits and receives sounds, usually the human voice. Telephones are a point-to-point communication system whose most basic function is to allow two people separated by large distances to talk to each other...

 service provider while keeping the current telephone number

Telephone number

A telephone number or phone number is a sequence of digits used to call from one telephone line to another in a public switched telephone network. When telephone numbers were invented, they were short — as few as one, two or three digits — and were given orally to a switchboard operator...

 or any other service which requires transfer of information from one provider to another. The regulations governing this are maintained by the Federal Communications Commission

Federal Communications Commission

The Federal Communications Commission is an independent agency of the United States government, created, Congressional statute , and with the majority of its commissioners appointed by the current President. The FCC works towards six goals in the areas of broadband, competition, the spectrum, the...

.

External links

• FCC LOA Rules