Approved competitive local exchange carriers by state.


Purchasing Resources for National Competitive Local Exchange Carriers (CLEC)

Download National Competitive Local Exchange Carriers (CLEC) White Papers


More National Competitive Local Exchange Carriers (CLEC) Vendors
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Advanced TelCom Group, Inc.

Provides local telephone, domestic and international long distance services, Internet and data services including high-speed DSL technology.




Bell Atlantic Corporation

Provider of communications services both domestically and internationally. Based in New York.




Cable and Wireless

Offers domestic and international voice, data, Internet and messaging services delivered via an all-digital, nationwide, fiber optic network.




Level 3 Communications, LLC

International provider of local, long distance, and data transmission, as well as other enhanced services.




Tips & Advice to help you make your decision on National Competitive Local Exchange Carriers (CLEC)

The traditional phone service provider–also called the Incumbent Local Exchange Carrier (ILEC)–was the only source for phone carrier service for many years. In 1996, however, National Competitive Local Exchange Carriers (CLEC) were given the green light to enter the market to compete with the traditional phone carriers. So, should you be using a CLEC for your business?

CLECs may be operated on a national basis, or they may be local or regional. Regardless of their coverage area, they purport to be more responsive and to provide better customer service than the ILECs. In addition, CLECs generally charge less than traditional phone service carriers.

CLECs may ... more