Code |
Country |
| ROU |
Romania |
| RUS |
Russian Federation |
| RWA |
Rwanda |
| SAU |
Saudi Arabia |
| SDN |
Sudan |
| SEN |
Senegal |
| SGP |
Singapore |
| SGS |
South Georgia and The South Sandwic |
| SHN |
Saint Helena |
| SJM |
Svalbard and Jan Mayen Islands |
| SKM |
Sikkim |
| SLB |
Solomon Islands |
| SLE |
Sierra Leone |
| SLV |
El Salvador |
| SMR |
San Marino |
| SOM |
Somalia |
| SPM |
Saint Pierre and Miquelon |
| STP |
Sao Tome and Principe |
| SUN |
Union of Soviet Socialist Republics |
| SUR |
Suriname |
| SVK |
Slovakia |
| SVN |
Slovenia |
| SWE |
Sweden |
| SWZ |
Swaziland |
| SYC |
Seychelles |
| SYR |
Syrian Arab Republic |
| TCA |
Turks and Caicos Islands |
| TCD |
Chad |
| TGO |
Togo |
| THA |
Thailand |
| TJK |
Tajikistan |
| TKL |
Tokelau |
| TKM |
Turkmenistan |
| TLS |
Timor-Leste |
| TMP |
East Timor |
| TON |
Tonga |
| TTO |
Trinidad and Tobago |
| TUN |
Tunisia |
| TUR |
Turkey |
| TUV |
Tuvalu |
| TWN |
Taiwan Province of China |
| TZA |
United Republic of Tanzania |
| UGA |
Uganda |
| UKR |
Ukraine |
| UMI |
United States Minor Outlying Island |
| URY |
Uruguay |
| USA |
United States |
| UZB |
Uzbekistan |
| VAT |
Holy See (Vatican) |
| VCT |
Saint Vincent and the Grenadines |
