Birpur BO is the primary post office registered under PIN code 847225 in Madhubani, Bihar. This code sits within the Eastern Postal Region, with 13 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Birpur BO | BO | Branch Post Office |
| Hattapur BO | BO | Branch Post Office |
| Jonki BO | BO | Branch Post Office |
| Ghorabanki BO | BO | Branch Post Office |
| Jaso BO | BO | Branch Post Office |
| Kamalpur BO | BO | Branch Post Office |
| Kataya BO | BO | Branch Post Office |
| Marhia BO | BO | Branch Post Office |
| Chhatauni BO | BO | Branch Post Office |
| Damo BO | BO | Branch Post Office |
| Dighia Phent BO | BO | Branch Post Office |
| Dubahi Mahinathpur BO | BO | Branch Post Office |
| Basopatti SO | SO | Sub Post Office |
