| | | |
| Country | Country Code | Rate/Min |
 |
| San Marino | 378 | $0.034 |
|
| Sao Tome | 239 | $1.000 |
|
| Saudi Arabia | 966 | $0.090 |
| Saudi Arabia Cellular | | $0.120 |
|
| Senegal | 221 | $0.225 |
| Senegal Cellular | | $0.312 |
| Senegal Cellular Tigo | | $0.358 |
| Senegal Cellular-Orange | | $0.200 |
|
| Serbia-Yugoslavia | 381 | $0.166 |
| Serbia-Yugoslavia Cellular | | $0.357 |
| Serbia-Yugoslavia,Belgrade | | $0.166 |
|
| Seychelles Islands | 248 | $0.700 |
|
| Sierra Leone | 232 | $0.300 |
| Sierra Leone Cellular | | $0.417 |
| Sierra Leone Cellular-Africell | | $0.500 |
| Sierra Leone Cellular-Airtel | | $0.385 |
|
| Singapore | 65 | $0.017 |
|
| Slovakia | 421 | $0.027 |
| Slovakia Cellular | | $0.111 |
|
| Slovenia | 386 | $0.162 |
| Slovenia Cellular | | $0.225 |
|
| Solomon Islands | 677 | $5.000 |
|
| Somalia | 252 | $0.385 |
| Somalia,Hormuud | | $0.264 |
|
| Somalia-Somtel | 252 | $0.100 |
|
| South Africa | 27 | $0.105 |
| South Africa Cellular | | $0.070 |
| South Africa Cellular-MTN | | $0.067 |
| South Africa VAS | | $0.295 |
|
| South Korea | 82 | $0.020 |
| South Korea Cellular | | $0.040 |
|
| South Sudan | 211 | $0.400 |
|
| Spain | 34 | $0.020 |
| Spain Cellular | | $0.040 |
|
| Sri Lanka | 94 | $0.144 |
| Sri Lanka Cellular | | $0.144 |
|
| St. Helena | 290 | $2.835 |
|
| St. Kitts | | $0.179 |
| St. Kitts Cellular | | $0.238 |
|
| St. Lucia | | $0.175 |
| St. Lucia Cellular | | $0.238 |
|
| St. Martin | | $0.111 |
|
| St. Pierre ; Miquelon | 508 | $0.166 |
|
| St. Vincent | | $0.147 |
| St. Vincent Cellular | | $0.250 |
|
| Sudan | 249 | $0.147 |
| Sudan Cellular | | $0.155 |
| Sudan Cellular-Kanartel | | $0.155 |
| Sudan Cellular-MTN | | $0.155 |
| Sudan Cellular-Sudatel | | $0.155 |
| Sudan Cellular-Zain | | $0.136 |
|
| Suriname | 597 | $0.185 |
| Suriname Cellular | | $0.167 |
| Suriname Cellular-Digicel | | $0.294 |
|
| Swaziland | 268 | $0.206 |
|
| Sweden | 46 | $0.020 |
| Sweden Cellular | | $0.030 |
|
| Switzerland | 41 | $0.020 |
| Switzerland Cellular | | $0.133 |
|
| Syria | 963 | $0.122 |
| Syria Cellular | | $0.295 |
|