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.
Activate the phone card and dial the toll free number using the 011-52 system. Time is deducted with each call, and there's no guarantee of a successful connection. Check with the Mexican company or business to see if it has either a U.S. phone number or a local Mexican phone number.Dial 011-52 plus the local phone number. Airlines, hotels, major business and companies in Mexico generally have at least a local number or a U.S. number.ctivate the phone card and dial the toll free number using the 011-52 system. Time is deducted with each call, and there's no guarantee of a successful connection. Check with the Mexican company or business to see if it has either a U.S. phone number or a local Mexican phone number.