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.
To dial out to Mexico from the US, you should dial 011, then 52, then the area code and phone number. Check out this area code lookup for all US cities or use the area codes locator to find which city a phone area code belongs to at Allareacodes.com.Tip!o dial out to Mexico from the US, you should dial 011, then 52, then the area code and phone number. Check out this area code lookup for all US cities or use the area codes locator to find which city a phone area code belongs to at Allareacodes.com. Tip!