The term country code generally refers to international dialling codes. Country codes are short alphabetical or numeric geographical codes. These codes are developed to represent countries and dependent areas, for use in data processing and communications.
| Country Code | Country Code (3 char) | Country Names |
|---|---|---|
| RO | ROM | Romania |
| RU | RUS | Russian Federation |
| RW | RWA | Rwanda |
| SA | SAU | Saudi Arabia |
| SD | SDN | Sudan |
| SN | SEN | Senegal |
| SG | SGP | Singapore |
| GS | SGS | South Georgia and the South Sandwich Islands |
| SH | SHN | Saint Helena |
| SJ | SJM | Svalbard and Jan Mayen |
| SB | SLB | Solomon Islands |
| SL | SLE | Sierra Leone |
| SV | SLV | El Salvador |
| SM | SMR | San Marino |
| SO | SOM | Somalia |
| PM | SPM | Saint Pierre and Miquelon |
| ST | STP | Sao Tome and Principe |
| SR | SUR | Suriname |
| SK | SVK | Slovakia |
| SI | SVN | Slovenia |
