| Place | Postal Code |
|---|---|
| Kartickey, Namchi | 737128 |
| Kateng Bokrang, Namchi | 737132 |
| Kerabari, Namchi | 737128 |
| Kitam, Namchi | 737126 |
| Kopchey, Namchi | 737126 |
| Lungchuk, Namchi | 737128 |
| Majhitar Forest Block, Namchi | 737121 |
| Mamley, Namchi | 737132 |
| Mamring, Namchi | 737132 |
| Mamring Forest Block, Namchi | 737132 |
| Maneydara, Namchi | 737126 |
| Maniram, Namchi | 737126 |
| Manpur, Namchi | 737126 |
| Melli Bazar, Namchi | 737128 |
| Melli Dara, Namchi | 737128 |
| Melli Forest Block, Namchi | 737128 |
| Mic Khola, Namchi | 737126 |
| Nagi, Namchi | 737132 |
| Nalam-Kolbong, Namchi | 737132 |
| Namchi, Namchi | 737126, 737121 |
| Namchi Forest Block, Namchi | 737128, 737126, 737132 |
| Namphing, Namchi | 737134 |
| Nijarmeng, Namchi | 737126 |
| Omchu, Namchi | 737126 |
| Pabong, Namchi | 737126 |
| Paiyong, Namchi | 737128 |
| Postal Codes in South Sikkim | |
|---|---|
| Namchi, South Sikkim | |
| Ravong, South Sikkim | |