Mexico to introduce 10-digit phone numbers on 3 August

18 Jul 2019

Mexico’s Federal Telecommunications Institute (Instituto Federal de Telecomunicaciones, IFT) has confirmed that all fixed and mobile numbers will comprise ten digits from 3 August, following a nationwide standardisation process.

Currently, local telephone numbers in Mexico City, Monterrey and Guadalajara all have eight digits, while numbers elsewhere in the country comprise seven digits. To dial a fixed number from one city to another, customers must use the ‘01’ domestic long-distance prefix, as well as a two-or-three-digit city code. Going forward, the ‘01’ prefix will be deleted and only the ten digits composed of the city code and the local number will be used.

For calls to cellular numbers, the prefixes ‘044’ and ‘045’ will be eliminated, leaving a ten-digit number. The ten-digit national numbers are all unique, so there is no risk of a number being repeated anywhere in the country, the watchdog has clarified.

Mexico, Instituto Federal de Telecomunicaciones (IFT)