#telephone_exchange_names

Telephone exchange names

Alphabetic telephone numbering plan

A telephone exchange name or central office name was a distinguishing and memorable name assigned to a central office. It identified the switching system to which a telephone was connected, and facilitated the connection of telephone calls between switching systems in different localities.

Thu 12th

Provided by Wikipedia

Learn More
0 searches
This keyword has never been searched before
This keyword has never been searched for with any other keyword.