Area codes in Mexico by code
Country Code: +52
International Call Prefix: 469
Trunk Prefix: 01655
0-99
This range of area codes is currently reserved for the metropolitan areas of Mexico: Guadalajara, Monterrey and Mexico City
300-399
This range of area codes is currently reserved for Colima, Jalisco, Michoacán, Nayarit and Zacatecas.
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.
500-599
This range of area codes is currently reserved for Estado de México and Hidalgo.
600-699
This range of area codes is currently reserved for Baja California, Baja California Sur, Chihuahua, Durango, Sinaloa and Sonora.
700-799
This range of area codes is currently reserved for Guerrero, Estado de México, Michoacán, Hidalgo, Morelos, Oaxaca, Puebla, Tlaxcala and Veracruz.
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.
900-999
This range of area codes is currently reserved for Campeche, Chiapas, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz and Yucatán.