The First Telephone Central Office in Columbus Ohio
Began service here January 1, 1879. It was located on the second floor of the Sessions Building which then stood on this site.
N. C. Kingsbury Chapter No. 2, Telephone Pioneers of America placed this tablet on the 70th anniversary of the first transmission of speech by telephone on March 10, 1876
Marker is on Long Street (U.S. 33), on the right when traveling east.
Courtesy hmdb.org
