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.
Long-distance calls from within Mexico. For national long-distance calls (within Mexico) the code is 01 plus the area code and phone number. For international long-distance calls, first dial 00, then the country code (for the U.S. and Canada the country code is 1, so you would dial 00 + 1 + area code + 7 digit number).Country Codes.U.S. and Canada 1.or national long-distance calls (within Mexico) the code is 01 plus the area code and phone number. For international long-distance calls, first dial 00, then the country code (for the U.S. and Canada the country code is 1, so you would dial 00 + 1 + area code + 7 digit number). Country Codes. U.S. and Canada 1.