Area codes in Mexico by code

0-99

This range of area codes is currently reserved for the metropolitan areas of Mexico: Guadalajara, Monterrey and Mexico City

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200-299

This range of area codes is currently reserved for Puebla, Tlaxcala, Oaxaca and Veracruz.

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300-399

This range of area codes is currently reserved for Colima, Jalisco, Michoacán, Nayarit and Zacatecas.

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400-499

This range of area codes is currently reserved for Aguascalientes, Guanajuato, Hidalgo, Jalisco, Estado de México, Michoacán, Nuevo León, Querétaro, San Luis Potosí, Tamaulipas, Veracruz and Zacatecas.

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500-599

This range of area codes is currently reserved for Estado de México and Hidalgo.

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600-699

This range of area codes is currently reserved for Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa and Sonora.

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700-799

This range of area codes is currently reserved for Guerrero, Estado de México, Michoacán, Hidalgo, Morelos, Oaxaca, Puebla, Tlaxcala and Veracruz.

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800-899

This range of area codes is currently reserved for 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.

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900-999

This range of area codes is currently reserved for Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz and Yucatán.

See Area codes in Mexico by code (900-999)