737103 PIN Code
| Office | Type | Delivery | District | State |
|---|---|---|---|---|
| Bhusuk BO | BO | Delivery | East District | Sikkim |
| Bojoghari BO | BO | Delivery | North District | Sikkim |
| Chongey BO | BO | Delivery | East District | Sikkim |
| Lingdok BO | BO | Delivery | North District | Sikkim |
| Luing BO | BO | Delivery | East District | Sikkim |
| Penlong BO | BO | Delivery | North District | Sikkim |
| Rajbhawan SO East Sikkim | PO | Delivery | East District | Sikkim |
| Tashiling SO | PO | Non Delivery | East District | Sikkim |
Source: RBI / India Post source upload · verified 04 Jul 2026