Dighi BO is the primary post office registered under PIN code 843322 in Sitamarhi, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Dighi BO | BO | Branch Post Office |
| Madhopur BO | BO | Branch Post Office |
| Panthpakar BO | BO | Branch Post Office |
| Kamaldah BO | BO | Branch Post Office |
| Majhaulia Estate SO | SO | Sub Post Office |
| Jogiwana BO | BO | Branch Post Office |
| Lattipur BO | BO | Branch Post Office |
