TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

central office number [1 record]

Record 1 2021-12-06

English

Subject field(s)
  • Telephone Exchanges
DEF

The first three digits in a seven-digit telephone number.

OBS

Currently used telephone exchange numbering system. N can be any number from 2 to 9, and X any number from 0 to 9.

OBS

Although the above terms all have approximately the same meaning, they are not necessarily suitable in all contexts.

French

Domaine(s)
  • Centraux téléphoniques
DEF

Les trois premiers chiffres d'un numéro de téléphone à sept chiffres.

DEF

Indicatif qui sert à désigner un central téléphonique. N correspond à un chiffre de 2 à 9; X à un chiffre de 0 à 9.

Key term(s)
  • numéro NNX

Spanish

Campo(s) temático(s)
  • Centrales telefónicas
CONT

Por ejemplo, 234-235-5678 es un número de teléfono válido con el código de área 234, el prefijo de la oficina central (intercambio) 235 y el número de línea 5678.

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TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
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