central office (CO)
In telephone communication in the United States, a central office (CO) is an office in a locality to which subscriber home and business lines are connected on what is called a local loop. The central office has switching equipment that can switch calls locally or to long-distance carrier phone offices.
In other countries, the term public exchange is used.
This was last updated in June 2005
Dig Deeper on Telecommunication networking
-
![]()
Rackspace expands Singapore office, eyes ASEAN market
By: Aaron Tan
-
![]()
local area network (LAN)
By: Margaret Rouse
-
![]()
Is Royal Mail killing off its Internet Delivery Business by mistake?
By: Philip Virgo
-
![]()
Councils should create a digital service standard, says Cabinet Office minister Matt Hancock
By: Lis Evenstad
Start the conversation
0 comments