Balwahat BO is the primary post office registered under PIN code 852106 in Saharsa, Bihar. This code sits within the Eastern Postal Region, with 18 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Balwahat BO | BO | Branch Post Office |
| Ghoghsam BO | BO | Branch Post Office |
| Belwara BO | BO | Branch Post Office |
| Kabira BO | BO | Branch Post Office |
| Khojuri Matihani BO | BO | Branch Post Office |
| Rampur BO | BO | Branch Post Office |
| Saronja BO | BO | Branch Post Office |
| Chapraon SO | SO | Sub Post Office |
| Dhanpura BO | BO | Branch Post Office |
| Gopalpur BO | BO | Branch Post Office |
| Kathdumar BO | BO | Branch Post Office |
| Kharagpur BO | BO | Branch Post Office |
| Sakra Paharpur BO | BO | Branch Post Office |
| Sitanabad BO | BO | Branch Post Office |
| Rajanpur BO | BO | Branch Post Office |
| Shankarpur BO | BO | Branch Post Office |
| Belhi Teghra BO | BO | Branch Post Office |
| Bhavdeva BO | BO | Branch Post Office |
