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Since the 1960s, the Bell System had already established technical infrastructure to include Mexico in the NANP routing system, and continued to maintain special dialing arrangement using NANP area codes 903 (northwest Mexico) and 905 (Mexico City) from the US into Mexico, [6] because of high community interest into the 1980s. Use of the area ...
Country code: 52; International call prefix: 00; Trunk Prefix: none; The telecommunication services of Mexico are provided by a division of the telephone numbering plan into groups of area codes for the following regions: [1]
Area code 33 serves the Metropolitan area of Guadalajara, Jalisco, area code 55 and area code 56 serve the Metropolitan area of Mexico City (Mexico State and the CDMX), and area code 81 serves the Metropolitan area of Monterrey, Nuevo León. The country code of Mexico is +52. [1] For other areas, see Area codes in Mexico by code.
The 800–899 range of area codes in Mexico is reserved for the states of Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas, and Veracruz. The country code of Mexico is +52. [1] For other areas, see Area codes in Mexico by code.
The 400–499 range of area codes in Mexico is reserved for the states of Aguascalientes, Guanajuato, Hidalgo, Jalisco, Estado de México, Michoacán, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas, Veracruz, and Zacatecas. The country code of Mexico is +52. [1] For other areas, see Area codes in Mexico by code.
Some scams lured customers from the United States and Canada into placing expensive calls to the Caribbean, by representing area code 809 as a regular domestic, low-cost, or toll-free call. The split of 809 (which formerly served all of the Caribbean NANP points) into multiple new area codes created many new, unfamiliar prefixes which could be ...
To find the richest area codes, the top-three highest mean incomes per area code were averaged to come up with the mean income for the entire area code. To find the poorest area codes, the bottom ...
Area codes are also assigned for non-geographic purposes. The rules for numbering NPAs do not permit the digits 0 and 1 in the leading position. [1] Area codes with two identical trailing digits are easily recognizable codes (ERC). NPAs with 9 in the second position are reserved for future format expansion.