Code Value Notes
Alpha-2 GM Alpha-2 code from ISO 3166-1
Alpha-3 GMB Alpha-3 code from ISO 3166-1
Numeric 270 Numeric code from ISO 3166-1
ITU GMB Codes assigned by the International Telecommunications Union
FIPS GA Codes from the U.S. standard FIPS PUB 10-4
IOC GAM Codes assigned by the International Olympics Committee
FIFA GAM Codes assigned by the Fédération Internationale de Football Association
DS WAG Distinguishing signs of vehicles in international traffic
WMO GB Country abbreviations used in weather reports from the World Meteorological Organization
GAUL 90 Global Administrative Unit Layers from the Food and Agriculture Organization
MARC gm MAchine-Readable Cataloging codes from the Library of Congress
DIAL 220 Country code from ITU-T recommendation E.164 (international dialing code)
TLD .gm Country code Top Level Domain