Country Code List | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | All Country Code Number List Country calling codes are telephone number prefixes used to reach telephone subscribers in the networks of International Telecommunication Union (ITU) member countries or territories. Prefixes enable international direct dialing (IDD) and are also known as international subscriber dialing (ISD) codes . All country code number list pdf is a component of the international telephone numbering plan and is only required when dialing a telephone number to establish a ... What is country code - Dialing codes ? Country calling codes , country dial-in codes , international subscriber dialing (ISD) codes , or most commonly, telephone country codes are telephone number prefixes for reaching telephone subscribers in foreign countries or areas via international telecommunication networks.
