Niue
| ISO 3166-1 numeric 570 |
ISO 3166-1 alpha-3 NIU |
ISO 3166-1 alpha-2 NU |
ICAO airport code prefix(es) NI |
| E.164 code(s) +683 |
IOC country code — |
Country code top-level domain .nu |
ICAO aircraft regis. prefix(es) — |
| E.212 mobile country code(s) — |
NATO Three-letter code NIU |
NATO Two-letter code (obsolete) NE |
LOC MARC code(s) XH |
| ITU Maritime ID(s) 542 |
ITU letter code(s) NIU |
FIPS country code(s) NE |
License plate code — |
| GS1 GTIN prefix(es) — |
UNDP country code NIU |
WMO country code(s) N1 |
ITU callsign prefixes — |
Read more about this topic: Country Codes: N