PIN code 737139 belongs to Barfung BO (Branch Post Office), located in South District district, Sikkim. It falls under the Eastern Postal Region and is served by 12 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Barfung BO | BO | Branch Post Office |
| Berang BO | BO | Branch Post Office |
| Tinkitam BO | BO | Branch Post Office |
| Phamtam BO | BO | Branch Post Office |
| Ralang BO | BO | Branch Post Office |
| Sangmoo BO | BO | Branch Post Office |
| Tingmoo BO | BO | Branch Post Office |
| Lunsing BO | BO | Branch Post Office |
| Ben BO | BO | Branch Post Office |
| Kewzing BO | BO | Branch Post Office |
| Sada | OTHER | post office |
| Ravangla SO | SO | Sub Post Office |
