Code Value Notes
Alpha-2 TL Alpha-2 code from ISO 3166-1
Alpha-3 TLS Alpha-3 code from ISO 3166-1
Numeric 626 Numeric code from ISO 3166-1
ITU TLS Codes assigned by the International Telecommunications Union
FIPS TT Codes from the U.S. standard FIPS PUB 10-4
IOC TLS Codes assigned by the International Olympics Committee
FIFA TLS Codes assigned by the Fédération Internationale de Football Association
DS   Distinguishing signs of vehicles in international traffic
WMO TM Country abbreviations used in weather reports from the World Meteorological Organization
GAUL 242 Global Administrative Unit Layers from the Food and Agriculture Organization
MARC em MAchine-Readable Cataloging codes from the Library of Congress
DIAL 670 Country code from ITU-T recommendation E.164 (international dialing code)
TLD .tl Country code Top Level Domain