Coy

Events

1

Episodes

2

Years

1878

Every event in Historedia whose sources name Coy, with the role they cite and all of that event’s episodes. This is not a biography, and mentions are grouped by name, so two people with the same name can share this page.

Events and episodes

1. First commercial telephone exchange opens in New Haven

   1878

   Role: Designer and builder of the first commercial US telephone exchange

   1. 11878 · New HavenDistrict Telephone Company Operations

      The District Telephone Company of New Haven began operations in 1878, creating the first exchange, directory, and public phone.

   2. 2January 1878 · New HavenOpening of the First Commercial Exchange

      Coy designed and built the first commercial US telephone exchange, opening in New Haven in January 1878.

Sources

1. Telephone exchange Wikipedia, revision of 2026-09-26