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Phone E.164 National Destination Code
Examples:
let x = PhoneE164NationalDestinationCodeAsStructStr("212"); // United States + New York City
let x = PhoneE164NationalDestinationCodeAsStructStr("10"); // China + Beijing
let x = PhoneE164NationalDestinationCodeAsStructStr("11"); // India + DelhiCompare:
- phone_e164_text
- phone_e164_country_code
- phone_e164_national_destimation_code
- phone_e164_subscriber_number
- phone_e164_group_identification_code
- phone_e164_trial_identification_code
https://en.wikipedia.org/wiki/E.164
E.164 is an international standard (ITU-T Recommendation), titled The international public telecommunication numbering plan, that defines a numbering plan for the worldwide public switched telephone network (PSTN) and some other data networks.
E.164 defines a general format for international telephone numbers. Plan-conforming numbers are limited to a maximum of 15 digits, excluding the international call prefix. The presentation of a number at the B-party device is usually prefixed with the plus sign (+), indicating that the number includes the country calling code. This is done by the B-party subscribers network by usually looking at the NOA (Nature Of Address) field of the signaling messages. When dialing, the number must typically be prefixed with the appropriate international call prefix (in place of the plus sign), which is a trunk code to reach an international circuit from within the country of call origination.
E.164 phone number format contains: [+][country code][area code][local phone number]
+is the plus sign which indicates use of a country code.- country code a.k.a. international dialer e.g.
1is United States. - national destination code a.k.a. area code e.g.
212is New York City. - local phone number e.g.
555 0000is an example U.S. local phone number.
List of country calling codes: https://en.wikipedia.org/wiki/List_of_country_calling_codes
Fake phone numbers for example purposes:
- United States fake phone numbers start with local number 555.
- China fake phone numbers start with 13, 15, 18.
- India fake phone numbers start with 7, 8, 9.