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A listing of facilities-based local exchange carriers in the United States.

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Incumbent Local Exchange Carrier (ILEC)

An Incumbent Local Exchange Carrier is a telephone service carrier that provided local service when the Telecommunications Act of 1996 was passed. ILECs are generally Regional Bell Operating Companies, sometimes called "Baby Bells," that were created after the break up of AT&T in the 1980s.

Incumbent Local Exchange Carrier (ILEC) News and Trends

The FCC and other agencies draw a distinction between local exchange carriers called Incumbent Local Exchange Carriers (ILECS) and Competitive Local Exchange Carriers (CLECs). The difference has to do with changes in the telecom industry; ILECs are carriers that existed when local exchanges were set up after the breakup of AT&T.

Incumbent local exchange carrier - Wikipedia, the free encyclopedia

An incumbent local exchange carrier (ILEC), is a local telephone company in the United States that was in existence at the time of the breakup of AT&T into the ...

ILEC vs CLEC | SCTelcom

An ILEC (incumbent local exchange carrier) is a telephone company that provided local service prior to the Telecommunications Act of 1996 which owns most of ...

HowStuffWorks "How ILECs Work"

ILECs are local U.S. telephone companies that were involved in the 1980's breakup of AT&T. Learn more about ILECs at HowStuffWorks.

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Cambridge English: Legal (ILEC) – English test for lawyers and ...

Cambridge English: Legal (International Legal English CertificateILEC) is a leading English language qualification for people working in international law and ...

What is ILEC (incumbent local exchange carrier) ? - Definition from ...

An ILEC incumbent local exchange carrier is a telephone company in the US that was providing local service when the Telecommunications Act of 1996 was ...

ILECs - Webopedia

Short for incumbent local exchange carrier. An ILEC is a telephone company that was providing local service when the Telecommunications Act of 1996 was ...

Iowa Lakes Electric Cooperative

An electric power cooperative providing the communities of Iowa Lakes with affordable power.

International Lake Environment Committee (ILEC)

ILEC's purpose is to promote sustainable management of the world's lakes and reservoirs.

ilec-imec -

Why Choose ILEC and IMEC. Thanks to the passion and commitment of our team we have, over the past 15 years, grown into a major player in the electrical and ...

ILEC GmbH - Home

Wir haben Betriebsurlaub vom 28.7.2014 bis zum 15.8.2014. Willkommen auf der neuen Webseite von ILEC Industrie- und Luftfahrtelektronik GmbH.

Incumbent Local Exchange Carrier (ILEC) for Beginners


A study of incumbent local exchange carrier (ILEC) for beginners should cover the basics of what an ILEC is, how they differ from competitive local exchange carriers, and what type of service they provide.

An incumbent local exchange carrier is a telephone service carrier that was a local service provider at the time of the Telecommunications Act of 1996. They are usually Bell Telephone operating companies that were created after AT&T was disbanded. The Telecommunications Act give ILECs the right to offer long distance service as long as they allowed competition for local phone service. ILECS compete with these companies, called competitive local exchange carriers. To find out more about local exchange carriers:

1. Read general information about ILEC and CLEC companies;

2. Keep up with news about local exchange carriers;

3. Get an incumbent local exchange listing for your area and find out how services compare to each other.

Read articles and reports about incumbent and competitive local exchange carrier companies

Beyond the basics of their structure and competition, there is plenty of technical information about CLECs and ILECs available online. Read reports and articles to get more information about competitive local exchange and incumbent local exchange carrier companies.

Compare companies on a local exchange carrier list

To get an overview of what is available in your area, you'll have to do a thorough research. Find out about CLECs and ILECs in your area and compare rates and services.
Federal Communications Commission to get information about regulations or how to file a complaint.

Get news about the incumbent and competitive local exchange carrier industry

Keep up with news and events about exchange carrier companies. Although not many new companies come on the scene, there is still a lot going on, like advancements in technology and new regulations.
  • When doing research about incumbent and independently owned local exchange carriers in your area, be sure to find out who owns the infrastructure. In most cases, it is the incumbent local exchange carrier that owns the lines and leases them to the competitive local exchange carriers. Since they don't own the lines or equipment, CLECs often don't have much control over system outages and maintenance.