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]
Codes
Area
0–99
Metropolitan areas of Mexico: Guadalajara, Monterrey and Mexico City
200–299
Puebla, Tlaxcala, Oaxaca and Veracruz
300–399
Colima, Jalisco, Michoacán, Nayarit and Zacatecas
400–499
Aguascalientes, Guanajuato, Hidalgo, Jalisco, México, Michoacán, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas, Veracruz and Zacatecas
500–599
México and Hidalgo
600–699
Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa and Sonora
700–799
Guerrero, México, Michoacán, Hidalgo, Morelos, Oaxaca, Puebla, Tlaxcala and Veracruz
800–899
Coahuila, Durango, Nuevo León, San Luis Potosí, Tamaulipas and Veracruz
800 are used for toll free numbers. 801 numbers used to be for premium-rate telephone numbers (such as 1-900 numbers in the United States) . Nowadays 900 numbers are premium-rate telephone numbers.
900–999
Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz and Yucatán
^"Telephone numbering plan" (PDF). International Telecommunication Union (ITU). 2018-06-12. Retrieved 2023-08-27.
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