Singapore
| Codes | ||
|---|---|---|
| Code | Value | Notes |
| Alpha-2 | SG | Alpha-2 code from ISO 3166-1 |
| Alpha-3 | SGP | Alpha-3 code from ISO 3166-1 |
| Numeric | 702 | Numeric code from ISO 3166-1 |
| ITU | SNG | Codes assigned by the International Telecommunications Union |
| FIPS | SN | Codes from the U.S. standard FIPS PUB 10-4 |
| IOC | SIN | Codes assigned by the International Olympics Committee |
| FIFA | SIN | Codes assigned by the Fédération Internationale de Football Association |
| DS | SGP | Distinguishing signs of vehicles in international traffic |
| WMO | SR | Country abbreviations used in weather reports from the World Meteorological Organization |
| GAUL | 222 | Global Administrative Unit Layers from the Food and Agriculture Organization |
| MARC | si | MAchine-Readable Cataloging codes from the Library of Congress |
| DIAL | 65 | Country code from ITU-T recommendation E.164 (international dialing code) |
| TLD | .sg | Country code Top Level Domain |