Telephone numbers in Mexico

Full numbering dial plan

All telephone numbers in Mexico are ten digits long. The Plan Técnico Fundamental de Numeración issued on September 4, 2018, introduced a ten-digit full numbering scheme, where the first digit denotes a geographical area of the country:

  • 2 East
  • 3 West
  • 4 North
  • 5 Center (Mexico City metropolitan area)
  • 6 Northwest
  • 7 South
  • 8 Northeast
  • 9 Southeast

The current national number was formed by prepending the area code to the previously existing local number.[1] All ten digits must be dialed, even for local calls.

Dialing prefixes

Since August 3, 2019, only the following dialing prefixes are available for use within Mexico:

Prefix Use Format Digits after prefix
00 International direct dialing 00 + country code + local phone number -
- Domestic direct dialing phone number 10

Dialing into Mexico

To contact a (10-digit) Mexican phone number (landline or mobile) from another country, dial:

    + 52 (phone number, incorporating area code)sergio hernandez

where the plus sign (+) represents the international access code of the country calling from, 00 for Europe and central America, 011 from the United States. Some mobile phones, which may be used from different countries, allow numbers to be dialed and stored with the prefix "+", which works for any current location.

Phone numbers and area codes

Until August 3, 2019, phone numbers in Mexico consisted of ten digits with either two-digit area codes (for Mexico City, Monterrey, and Guadalajara and their respective metropolitan areas) or three-digit area codes for the rest of the country. New area codes were assigned in the overlay format to address number exhaustion: in 2017, Toluca and Puebla and in 2018, Leon, Mexico City, and Tijuana.

For a list of all area codes, see area codes in Mexico by code.

Major cities and metropolitan areas have the following codes:

Area code City or metropolitan area
55 / 56 Mexico City
81 Monterrey, Nuevo León
33 Guadalajara, Jalisco
656 Ciudad Juárez, Chihuahua
614 Chihuahua, Chihuahua
618 Durango, Durango
999 Mérida, Yucatán
221 / 222 Puebla, Puebla
442 Querétaro, Querétaro
449 Aguascalientes, Aguascalientes
663 / 664 Tijuana, Baja California
612 La Paz, Baja California Sur
624 Los Cabos, Baja California Sur
844 Saltillo, Coahuila
686 Mexicali, Baja California
667 Culiacán, Sinaloa
722 / 729 Toluca, Mexico
998 Cancún, Quintana Roo
871 Torreón, Coahuila
744 Acapulco, Guerrero
444 San Luis Potosí, San Luis Potosí
833 Tampico, Tamaulipas
477 / 479 León, Guanajuato
961 Tuxtla Gutiérrez, Chiapas
662 Hermosillo, Sonora
633 Agua Prieta, Sonora
645 Cananea, Sonora
644 Cd. Obregón, Sonora
642 Navojoa, Sonora
631 Nogales, Sonora
229 Veracruz, Veracruz
443 Morelia, Michoacán
921 Coatzacoalcos, Veracruz
771 Pachuca, Hidalgo
981 Campeche, Campeche
899 Reynosa, Tamaulipas
868 Matamoros, Tamaulipas

Dialing prefixes prior to 2019
Prefix Use Format Digits after prefix
00 International direct dialing 00 + country code + area code + phone number -
01 Domestic direct dialing 01 + area code + phone number 10
02 Domestic operator dialing 02 + area code + phone number 10
09 International operator dialing 09 + country code + area code + phone number -
044 Local cell phone from a land line 044 + area code + phone number 10
- Cell phone from a cell phone area code + phone number 10
045 Domestic cell phone from a land line 045 + area code + phone number 10
- Domestic cell phone from a cell phone area code + phone number 10

Other service numbers
# Services
020 Operator-assisted domestic collect call (Telmex)
030 Local time (Telmex)
031 Wake up service
040 Information / directory
050 Phone company hotline
051 Number portability PIN (can be used to determine your own line's phone number)
070 City hotline (not available in some cities)
071 CFE hotline (electric company)
072 [Reporte de Servicios de Ciudad] hotline (Water Troubles, Bad Road, Etc... not available in some cities)
090 Operator-assisted international collect call
911 Emergency telephone number (since 2016)

References
  1. "El Pleno del IFT aprobó los índices y parámetros de calidad del servicio móvil y aprobó los nuevos Planes de Numeración y Señalización (Comunicado 149/2017)". Instituto Federal de Telecomunicationes. IFT. Retrieved 4 September 2018.


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