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 call any country from any country (including the U.S.) from your T-Mobile phone, dial + then the country code then the phone number, and send the call. Example: To call Mexico, dial +52########## .earn international country codes. The International Direct Dialing (IDD) code is used when dialing from a landline in one country to another country. When dialing from your mobile phone, the + sign can be used in place of the IDD code. In most countries, the international prefix is 00.