Code Value Notes
Alpha-2 NI Alpha-2 code from ISO 3166-1
Alpha-3 NIC Alpha-3 code from ISO 3166-1
Numeric 558 Numeric code from ISO 3166-1
ITU NCG Codes assigned by the International Telecommunications Union
FIPS NU Codes from the U.S. standard FIPS PUB 10-4
IOC NCA Codes assigned by the International Olympics Committee
FIFA NCA Codes assigned by the Fédération Internationale de Football Association
DS NIC Distinguishing signs of vehicles in international traffic
WMO NK Country abbreviations used in weather reports from the World Meteorological Organization
GAUL 180 Global Administrative Unit Layers from the Food and Agriculture Organization
MARC nq MAchine-Readable Cataloging codes from the Library of Congress
DIAL 505 Country code from ITU-T recommendation E.164 (international dialing code)
TLD .ni Country code Top Level Domain