Imambari SO is the primary post office registered under PIN code 846001 in Darbhanga, Bihar. This code sits within the Eastern Postal Region, with 3 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Imambari SO | SO | Sub Post Office |
| Laheriasarai Court SO | SO | Sub Post Office |
| Laheriasarai HO | HO | Head Post Office |
