| Ort | Postleitzahl |
|---|---|
| Aritar, Gangtok | 737134 |
| Assam, Gangtok | 737135 |
| Assam Lingzey, Gangtok | 737135 |
| Barbing, Gangtok | 737102 |
| Beng, Gangtok | 737139 |
| Beyong, Gangtok | 737134 |
| Bhusuk, Gangtok | 737103 |
| Budang Thangsing, Gangtok | 737134 |
| Burtuk, Gangtok | 737101 |
| Central Pendam, Gangtok | 737132 |
| Chadey, Gangtok | 737134 |
| Chandmari, Gangtok | 737103 |
| Chhota Singtam, Gangtok | 737106 |
| Chinze, Gangtok | 737135 |
| Chisopani, Gangtok | 737134 |
| Chongey, Gangtok | 737103 |
| Chuba, Gangtok | 737135 |
| Deorali, Gangtok | 737102 |
| Dung-Dung, Gangtok | 737134 |
| Gangtok, Gangtok | 737101 |
| Gangtok Forest Block, Gangtok | 737101 |
| Gangtok Private Estate, Gangtok | 737101 |
| Kambal, Gangtok | 737107 |
| Kyongnosla Forest Block, Gangtok | 737102 |
| Lingdok, Gangtok | 737103 |
| Lingdum, Gangtok | 737102 |
| Postleitzahlen in East Sikkim | |
|---|---|
| Gangtok, East Sikkim | |
| Pakyong, East Sikkim | |
| Rongli, East Sikkim | |