A Second Phone Line Put Into DeKalb Fire Department in 1917

From the March 29, 2017, MidWeek (DeKalb County, Illinois)  "Looking Back."

1917, 100 Years Ago."

"In order that there might not be no time lost in case someone was endeavoring to report a fire in DeKalb, another telephone has been placed at the station.

"The new phone has been attached to the telephone gong circuit, and in case the operator cannot get the boys on 49, she has an opportunity to use 549."

A Three-Digit Phone Number.  I Could Remember That.  --Cooter