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.
2. Dial 011 the international access code. You might ask your long distance company if there another way to dial to Mexico. 3. Dial 52, the country code for Mexico. 4. Dial the area code for the city you want to call, they are a 3 number code just as in the rest of North America.Codes for the 3 biggest cities are of only 2 digits as follows: Mexico City (D.F.) 55, Monterrey 81 and Guadalajara 33.ou might ask your long distance company if there another way to dial to Mexico. 3. Dial 52, the country code for Mexico. 4. Dial the area code for the city you want to call, they are a 3 number code just as in the rest of North America.