Pincode 847301 · Darbhanga District · Bihar
| Name | Koilam BO |
| Type | Branch Post Office |
| Pincode | 847301 |
| Taluk | Darbhanga Division |
| District | |
| State | |
| Coordinates | 25.7712, 86.1776 |
| Post Office | Type |
|---|---|
| Branch Post Office | |
| Branch Post Office | |
| Branch Post Office |
Darbhanga, Bihar. Map data: OpenStreetMap, CARTO.
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