3-letter Country Codes Abbreviations and Acronyms
- SWSwitzerland
- SWSweden
- SWESweden
- SWISwitzerland
- SWITZSwitzerland
- SWTZSwitzerland
- SWZSwaziland Kingdom of
- SXSouth Georgia and South Sandwich Islands
- SYSyrian Arab Republic
- SYCSeychelles
- SYRSyrian Arab Republic
- SZSwitzerland
- TACITurks and Caicos Islands
- TAFTAThailand
- TCTurks and Caicos Islands
- TCATurks and Caicos Islands
- TCDChad Republic of
- TFFrench Southern Territories
- TGOTogolese Republic
- THThailand
Last updated: — Total entries: 784