In North District district, Sikkim, PIN code 737120 is anchored by Shipgyare BO, a Branch Post Office. Mail addressed to this code is sorted through the Eastern Postal Region, across 5 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Shipgyare BO | BO | Branch Post Office |
| Lachen BO | BO | Branch Post Office |
| Lachung BO | BO | Branch Post Office |
| Chungthang SO | SO | Sub Post Office |
| Naga BO | BO | Branch Post Office |
