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.
You may be able to reach a North American (USA, Canada, etc.) toll-free number from Mexico by dialing it as if it were an ordinary geographic number in North America: dial 00 1 and then the ten-digit toll-free number; for example, 00 1 844 555 0123.ou may be able to reach a North American (USA, Canada, etc.) toll-free number from Mexico by dialing it as if it were an ordinary geographic number in North America: dial 00 1 and then the ten-digit toll-free number; for example, 00 1 844 555 0123.