Hariharpur BO is the primary post office registered under PIN code 847306 in Darbhanga, Bihar. This code sits within the Eastern Postal Region, with 13 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Hariharpur BO | BO | Branch Post Office |
| Kanaur BO | BO | Branch Post Office |
| Karhatia BO | BO | Branch Post Office |
| Pindaruch SO | SO | Sub Post Office |
| Bhataura BO | BO | Branch Post Office |
| SDangarwara BO | BO | Branch Post Office |
| Nikasi BO | BO | Branch Post Office |
| Singhia Deorhi BO | BO | Branch Post Office |
| KManjhigama BO | BO | Branch Post Office |
| Karjapatti BO | BO | Branch Post Office |
| Madhupur BO | BO | Branch Post Office |
| Kothia BO | BO | Branch Post Office |
| Madhopatti BO | BO | Branch Post Office |
