4406 entries. 94 themes. Last updated December 26, 2016.

The First Regular Telephone Exchange is Established in New Haven, Connecticut (January 1878)


In January 1878 the first regular telephone exchange was set up in New Haven, Connecticut.

"The switchboard was built from 'carriage bolts, handles from teapot lids and bustle wire' and could handle two simultaneous conversations" (Wikipedia article on telephone exchange, accessed 04-22-2009).