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Waterloo 7 Digit Phone Numbers

Page history last edited by Amy Heth 11 years, 3 months ago

In 1954, Waterloo's Centennial year, no toll dialing was inaugurated between Waterloo and Cedar Falls and the two cities were given letter prefix exchanges (Waterloo's prefix was AD for Adams).


The 1954 City Directory shows some 5 digit and some 7 digit numbers.


Source: Centennial edition of the Waterloo Courier

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