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A longtime Bell System company in the Upper Midwest, it helped bring telephone service to Iowa, Minnesota, Nebraska, North Dakota, and South Dakota. Its story tracks a big stretch of American telecom history, from early local exchanges to the post-breakup US West era.

by Northwestern Bell Telephone Company
Northwestern Bell Telephone Company was an American telecommunications company that served five Upper Midwest states: Iowa, Minnesota, Nebraska, North Dakota, and South Dakota. It became part of the Bell System and was based in Omaha for much of its history.
The company took shape in the early 20th century through mergers and name changes involving regional Bell operations. After the 1984 breakup of the Bell System, Northwestern Bell continued under the US West umbrella, reflecting the larger reorganization of U.S. telephone service at the time.
For readers interested in business or technology history, Northwestern Bell offers a useful window into how phone service expanded across the Midwest and how regional telephone companies evolved as the industry changed.