| Country | Country Code | Required Units | Supported Network |
| Samoa | +685 | 7.59 | ALL |
| San Marino | +378 | 13.20 | ALL |
| Saudi Arabia | +966 | 2.53 | ALL |
| Senegal | +221 | 22.00 | ALL |
| Serbia | +381 | 3.19 | ALL |
| Seychelles | +248 | 4.73 | ALL |
| Sierra Leone | +232 | 3.52 | ALL |
| Singapore | +65 | 15.02 | ALL |
| Slovakia | +421 | 16.72 | ALL |
| Slovenia | +386 | 22.00 | ALL |
| Solomon Islands | +677 | 4.40 | ALL |
| Somalia | +252 | 22.00 | ALL |
| South Africa | +27 | 8.58 | ALL |
| Spain | +34 | 0.00 | ALL |
| Sri Lanka | +94 | 2.53 | ALL |
| St. Pierre & M. | +508 | 22.00 | ALL |
| Sudan | +249 | 4.40 | ALL |
| Suriname | +597 | 22.00 | ALL |
| Swaziland | +268 | 5.39 | ALL |
| Sweden | +46 | 4.18 | ALL |
