Central office (CO)

Central office (CO)

A telecommunications facility also known as a telephone exchange or switching center.

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Fire safety
Category: Prevention & protection
Company: NFPA
Product:
Acronym-Abbreviation:

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Related terms

central office (CO) code

Telecommunications; General telecom

The three digit code following the NPA code in a TN, i.e., digits D-E-F of a 10-digit NANP Area address.

Central Office (CO) Code

Telecommunications; General telecom

The sub-NPA code in a TN, i.e., digits D-E-F of a 10-digit NANP Area address. Central office codes are in the form "NXX," where N is a number from 2 to 9 and X is a number from 0 ...

central office (CO)

Fire safety; Prevention & protection

A telecommunications facility also known as a telephone exchange or switching center.

central office (CO)

Software; Globalization software service

A telephone switching system that connects customer-premise business and subscriber lines to other customer lines or trunks, both locally or remotely. A central office is located ...

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