Remarkable Ohio

Serpent Mound Marker

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  • 30-55 Marker along S.R. 40 30-55 Marker along S.R. 40
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Once the center of telephone communications in America, Phoneton, originally platted as Phonetown, was established in 1893 by the American Telephone and Telegraph Company (AT&T) as the place to service and operate three major telephone and telegraph lines that intersected here on the National Road. AT&T built a repeater station to service the lines and employed as many as forty switchboard operators who lived in a hotel and boarding house constructed by the company. Other employees were bused in from neighboring towns. All operations were moved to Dayton in 1936.
4485 E US Route 40
Tipp City, OH 45371
Just E of the intersection of US 40 and OH 202
Latitude: 39.897647, Longitude: -84.131426.
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