national destination code definition
national destination code means the first three digits of a national number. In geographic numbers it depicts the geographic significance of that number;
national destination code. (“NDC”) means a digit or a combination of 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/service. NDC is a nationally optional code field, within the international public telecommunications numbering plan as set out in the ITU-T Recommendation E.164, which, combined with the SN, constitutes the NSN.
national destination code means the sequence of digits at the start of a National Significant Number that indicates the usage.