Here is a simple guide to dialing Mexico cellphones and landlines  from the USA.

Calling a Mexico cellphone from the US

• Step 1 – Press or dial “011” (international access code) followed by the country code (Mexico’s country code is “52”

• Step 2 – Press or dial “1”, this is the code required for 80% of the cell phones in Mexico

• Step 3 – Press or dial the area code.   Mexico telephone numbers have a two digit or three digit area code followed by a seven digit number for most of the country.

• Step 4 – Press or dial  the 7 or 8 digit Mexican telephone number

If unable to connect, dial the number as if it were a Mexico land line (below), eliminating the “1) from the process.   This applies to NEXTEL cellular numbers in Mexico.

Calling a Mexico land line from the US

• Step 1 – Press or dial “011″ (international access code) followed by the country code (Mexico’s country code is “52″).

• Step 2 – Press or dial the area code.   Mexico telephone numbers have a two digit or three digit area code followed by a seven digit number for most of the country.

• Step 3 – Press or dial  the 7 or 8 digit Mexican telephone number

The exceptions to the rule (and this is Mexico, there are always exceptions to the rule) can be found in 3 cities; Mexico City, Guadalajara and Monterrey. These cities have a two digit area code followed by an 8 digit number:

• Mexico City “55″ + 8 digits, area code is (55)
• Guadalajara “33″ + 8 digits, area code is (33)
• Monterrey “81″ + 8 digits, area code is (81)
• All other cities in Mexico “3 digits” + 7 digits, area code contains 3 digits

If you were to dial Mexico City: “011″ + “52″ + “55″ + telephone number (8 digits)

If you were to dial Acapulco: “011″ + “52″ + “744″ + telephone number (7 digits).

Selected area codes for some Mexican cities:

Acapulco “744″ + 7 digits
Aguascalientes “449″+ 7 digits
Apizaco “241″+ 7 digits
Cabo San Lucas “624″+ 7 digits
Cancun “998″+ 7 digits
Celaya “461″+ 7 digits
Chihuahua “614″+ 7 digits
Ciudad del Carmen “938″+ 7 digits
Ciudad Juarez “656″+ 7 digits
Cuernavaca “777″+ 7 digits
Culiacan “667″+ 7 digits
Durango “618″+ 7 digits
Ensenada “646″+ 7 digits
Guadalajara “33″ + 8 digits
Guanajuato “473″ + 7 digits
Irapuato “462″+ 7 digits
Ixtapa “755 “+ 7 digits
Jalapa “932″ + 7 digits
Juchita “971″ + 7 digits
Leon “477″ + 7 digits
Los Mochis “668″ + 7 digits
Matamoros “871″ + 7 digits
Mazatlan “869″ + 7 digits
Merida “999″ + 7 digits
Mexicali “686″ + 7 digits
Mexico City “55″ + 8 digits
Monterrey “81″ + 8 digit
Morelia “443″ + 7 digits
Nogales “631″ + 7 digits
Nuevo Laredo “867″ + 7 digits
Oaxaca de Juarez “951″ + 7 digits
Playa del Carmen “984″ + 7 digits
Progreso “861″ + 7 digits
Puebla “222″ + 7 digits
Puerto Vallarta “322″ + 7 digits
Reynosa “899″ + 7 digits
Saltillo “844″ + 7 digits
San Francisco del Rincon “476″ + 7 digits
San Miguel Allende “415″ + 7 digits
Silao “472″ + 7 digits
Tampico “833″ + 7 digits
Tijuana “664″ + 7 digits
Torreon “871″ + 7 digits
Veracruz “229″ + 7 digits
Villahermosa “993″ + 7 digits

For a complete list of area codes for all Mexican cities, check out the TELMEX area code search page  HERE