Dharhara is Taluka (Tehsil) in Munger district of Bihar state. Dharhara has 10 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 811212 | Amari PIN Code | Munger | Dharhara | Branch Office |
| 811202 | Baha Chowki PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Bhalar PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Dharhara Munger PIN Code | Munger | Dharhara | Sub Office |
| 811212 | Itwa PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Lahauta Ghatwari PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Mangarh PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Orabagicha PIN Code | Munger | Dharhara | Branch Office |
| 811202 | Shiv Kund PIN Code | Munger | Dharhara | Branch Office |
| 811212 | Tola Bangalwa PIN Code | Munger | Dharhara | Branch Office |