National Destination Code


National Destination Code (NDC) or significant leading digits of national (significant) number.

National Destination Code can be a decimal digit or a combination of decimal digits (not including any prefix) identifying a numbering area within a country (or group of countries included in one integrated numbering plan or a specific geographic area) and/or network/services.

National Destination Code is determined by Telephone Numbering Plan which may be commonly referred to as an International City Code or (Numbering Plan) Area Code, the NDC is a nationally optional code field.

National Destination Code when combined with the Subscriber Number (SN) - will constitute the national number of the international E.164-number for geographic areas.

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