Dhanaha BO is the primary post office registered under PIN code 845104 in Pashchim Champaran, Bihar. This code sits within the Eastern Postal Region, with 18 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Dhanaha BO | BO | Branch Post Office |
| Piprasi BO | BO | Branch Post Office |
| Bhitaha BO | BO | Branch Post Office |
| Bhuidharwa BO | BO | Branch Post Office |
| Dumari BO | BO | Branch Post Office |
| Kathar BO | BO | Branch Post Office |
| Taulaha BO | BO | Branch Post Office |
| Sisai BO | BO | Branch Post Office |
| Binahi BO | BO | Branch Post Office |
| Daunaha BO | BO | Branch Post Office |
| Chilwania BO | BO | Branch Post Office |
| Dhumnagar BO | BO | Branch Post Office |
| Khaira Tola BO | BO | Branch Post Office |
| Machhaha BO | BO | Branch Post Office |
| Mura Dih BO | BO | Branch Post Office |
| Parsauna BO | BO | Branch Post Office |
| Ranglalahi BO | BO | Branch Post Office |
| Madhubani SO | SO | Sub Post Office |
