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.
Calling a cell phone in Mexico. To dial a Mexican cell phone from outside Mexico, add a 1 before the number and after the 011-52 (the prefix for dialing Mexico from the USA) . If a Mexican cell phone is 555 (city code) - 555-5555 (number), dial 01152-1-555-555-5555.Mexicans write phone numbers differently.alling a cell phone in Mexico. To dial a Mexican cell phone from outside Mexico, add a 1 before the number and after the 011-52 (the prefix for dialing Mexico from the USA) . If a Mexican cell phone is 555 (city code) - 555-5555 (number), dial 01152-1-555-555-5555.