- See Echelon (disambiguation) for similarly spelled alternatives.
Eschelon Telecom was founded in 1996 by its chairman, Cliff Williams, as Advanced Telecommunications, Inc., a holding company for telecommunications businesses. Eschelon provides service in Minnesota, Colorado, California, Nevada, Washington, Oregon, Arizona, Utah and Montana.
In April 2000, it was unified under the single name of Eschelon Telecom, Inc.
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