Pascal Object LCL and VCL ISO standards implementation for CodeTyphon, Delphi, Lazarus
- ISO standard 3166-1, 3166-2, 3166-3 implementation
- ISO standard 4217 implementation
and
- ITU E.164 standard implementation
ISO standard 3166-1, 3166-2, 3166-3 implementation
- (all part of the ISO 3166 - Wikipedia that "defines codes for the names of countries, dependent territories, special areas of geographical interest, and their principal subdivisions)"
ISO standard 4217 implementation
- ISO 4217 - Wikipedia "delineates currency designators, country codes (alpha and numeric)" where the country codes are the same as in ISO 3166
ITU E.164 standard implementation
- E.164 - Wikipedia "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."