ILEC (incumbent local exchange carrier) An ILEC (incumbent local exchange carrier) is a telephone company in the U.S. that was providing local service when the Telecommunications Act of 1996 was enacted.
To call a US toll free number from Mexico, dial as follows: 800 numbers Dial 001-880-then the number 866 numbers Dial 001-883-then the number 877 numbers Dial 001-882-then the number 888 numbers Dial 001-881-then the number.o call a US toll free number from Mexico, dial as follows: 800 numbers Dial 001-880-then the number 866 numbers Dial 001-883-then the number 877 numbers Dial 001-882-then the number 888 numbers Dial 001-881-then the number.
Instructions. Dial the international dialing code (011) of the United States from your phone. Dial the country code for Mexico after dialing the international code. The country code for Mexico is 52.. If you are calling a cell phone number in Mexico, you have to add a 1 after this country code as well.f you have any friends or family members living in Mexico, you will probably need to make a telephone call from time to time. Making a long distance call to Mexico is not difficult so long as you have the necessary area code, country code and international code.