Even though 90% of all land line telephone service and 80% of the cell phone service in Mexico is ultimately controlled by the same person (Carlos Slim), dialing other numbers is bizarre and confusing. Here are the FIFTEEN RULES you need to memorize if you want to call to and from Mexico.
Making Local calls in Mexico (same area code to same area code)
- Land line to land line: dial the 7 or 8 digit telephone number without the area code
- Land line to cell phone: dial 044+area code+number
- Cell phone to land line: dial area code + number
- Cell phone to cell phone: dial area code + number
Making long distance calls in Mexico
- Land line to land line: dial 01+area code+number
- Land line to cell phone: dial 045+area code+number
- Cell phone to land line: dial area code + number
- Cell phone to cell phone: dial area code + number
Calling the USA from Mexico
- Dial 001+area code+number
Calling USA toll-free numbers from Mexico
- For 800 numbers, dial 001+880+number
- For 866 numbers, dial 001+866+number
- For 877 numbers, dial 001+882+number
- For 888 numbers, dial 001+881+number
Calling Mexico from the USA
- To call a land line, dial 011+52+area code+number
- To call a cell phone, dial 011+52+1+area code+number
NOTE: Area codes in Mexico are always 3 digits long except in Mexico City, Guadalajara and Monterrey where the area code is 2 digits long and the telephone number is 8 digits long!