| Post office | Koila Belwa B.O |
| Pin code | 845412 |
| Office type | B.O |
| Taluk / city | Chakia |
| District name | East Champaran |
| State name | Bihar |
| Delivery status | Delivery |
| Division name | East Champaran |
| Region name | Muzaffarpur |
| Circle name | Bihar |
| Related sub office | Bara Chakia S.O |
| Related head office | Motihari H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 845412 | Balo Chak B.O | Chakia | East Champaran | Bihar |
| 845412 | Baramania B.O | Chakia | East Champaran | Bihar |
| 845412 | Bhuwan Chapra B.O | Chakia | East Champaran | Bihar |
| 845412 | Harpur Nag B.O | Chakia | East Champaran | Bihar |
| 845412 | Koila Belwa B.O | Chakia | East Champaran | Bihar |
| 845412 | Kuawa B.O | Chakia | East Champaran | Bihar |
| 845412 | M.B.Ban B.O | Chakia | East Champaran | Bihar |
| 845412 | Pakari Dixit B.O | Chakia | East Champaran | Bihar |
| 845412 | Pipra Khem B.O | Chakia | East Champaran | Bihar |
| 845412 | Sawangia B.O | Chakia | East Champaran | Bihar |
| 845412 | Sital Pur B.O | Chakia | East Champaran | Bihar |
| 845412 | Bara Chakia S.O | Chakia(Pipra) | East Champaran | Bihar |