| City | STD Code |
| Sanawar | 179261 |
| Sandhu | 1783 |
| Sangla | 17864 |
| Sangrah | 1702480 |
| Santokgarh | 197556 |
| Sarahan | 1702 |
| Sarhan | 1799 |
| Sarkaghat | 19055 |
| Sataun | 1704624 |
| Sawra | 1781 |
| Sera | 197235 |
| Shahpur | 1892 |
| Shambhuwala | 1702551 |
| Sheel Ghat | 1781 |
| Shillal | 1704785 |
| Shimla | 177 |
| Shivabanur | 1704471 |
| Shogi | 17726 |
| Slapper | 1907 |
| Solan | 1792 |
| Spiti(kaza) | 1906 |
| Sujanpur | 197272 |
| Sultanpur | 1792682 |
| Sundernagar | 1907 |
| Sunhi | 1892 |
| Suni | 177 |
| Tal | 1972527 |
| Tata Pani | 177 |
| Tehallawal | 1975576 |
| Teuri | 197585 |
| Thaltu Khod | 1908553 |
| Thana Kalan | 197573 |
| Thanedhar | 1782 |
| Theog | 1783 |
| Thural | 1894 |
| Tissa | 1896 |
| Tonidevi | 197278 |
| Udaipur | 1909 |
| Una | 1975 |
| Urla | 1908730 |
| Wasni | 1799588 |
| Yangthang | 17866 |
| Yol | 1892 |
