PIN code 843117 belongs to Chak Shambhu BO (Branch Post Office), located in Sitamarhi district, Bihar. It falls under the Eastern Postal Region and is served by 14 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Chak Shambhu BO | BO | Branch Post Office |
| Dharampur BO | BO | Branch Post Office |
| Gaus Nagar BO | BO | Branch Post Office |
| Kharhar BO | BO | Branch Post Office |
| Korlahia Mansingh BO | BO | Branch Post Office |
| Olipur Sarhachia BO | BO | Branch Post Office |
| Sirkhiria BO | BO | Branch Post Office |
| Maksudpur BO | BO | Branch Post Office |
| Tengraha BO | BO | Branch Post Office |
| Rampur Hari SO | SO | Sub Post Office |
| Gorigama BO | BO | Branch Post Office |
| BBasudeo BO | BO | Branch Post Office |
| Lautan BO | BO | Branch Post Office |
| Mahindwara BO | BO | Branch Post Office |
