7 PIN codes
| PIN code | Post offices | Taluk / tehsil |
|---|---|---|
| 737101 | Gangtok Ho, Sichey Gaon So | – |
| 737102 | Deorali So, Smusikkim Manipal University, Tadong So and 7 more | – |
| 737103 | Rajbhawan So East Sikkim, Tashiling So, Bhusuk Bo and 2 more | – |
| 737107 | Dikchu So, Lumlingthyang Bo, Rakdong Bo and 2 more | – |
| 737134 | Singtam So, Bardang Bo, Beyong Bo and 15 more | – |
| 737135 | Ranipool So, Ahoo Busty Bo, Assam Lingzey Bo and 7 more | – |
| 737136 | Majitar So | – |