Bariarpur is Taluka (Tehsil) in Munger district of Bihar state. Bariarpur has 7 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 811211 | Bariarpur Munger PIN Code | Munger | Bariarpur | Sub Office |
| 811211 | Binda Diyara PIN Code | Munger | Bariarpur | Branch Office |
| 811211 | Ekashi PIN Code | Munger | Bariarpur | Branch Office |
| 811211 | Ghorghat PIN Code | Munger | Bariarpur | Branch Office |
| 811211 | Kalyanpur PIN Code | Munger | Bariarpur | Branch Office |
| 811211 | Kharia PIN Code | Munger | Bariarpur | Branch Office |
| 811211 | Ratanpur PIN Code | Munger | Bariarpur | Branch Office |