Samastipur Bazar SO is the primary post office registered under PIN code 848101 in Samastipur, Bihar. This code sits within the Eastern Postal Region, with 2 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Samastipur Bazar SO | SO | Sub Post Office |
| Samastipur HO | HO | Head Post Office |