Mexico - Area Codes and Calling Zones

On November 17, 2001, Mexico replaced it's Calling Zones with new Area Codes. The new Area Codes are all three digits in length with the exception of Mexico City, Guadalajara, and Monterrey (Mexico's three largest cities) which are two digits in length.

Click here to visit the Telemex Area Code page to look up the Area Code for anywhere in Mexico.