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.
Dialing U.S. 800 Numbers from Mexico (800, 888, 877, 866). Mexico has its own series of 800 numbers, so in order to make dialing U.S. numbers possible, they came up with a simple system. Simple-once you know the secret... To dial a United States 800 number FROM Mexico, replace the 800 prefix with the prefix shown below:ialing to Mexican Cell Phones from the U.S. or Canada. Cell phones work a bit differently in Mexico. The person calling the cell phone pays a surcharge, while the person receiving the call on their cell phone pays nothing for the call...