Bihar Keshri sri Krishn Singh SO is the primary post office registered under PIN code 805114 in Nawada, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Bihar Keshri sri Krishn Singh SO | SO | Sub Post Office |
| G B Kendua Konihar BO | BO | Branch Post Office |
| Bargaon BO | BO | Branch Post Office |
| Rajan BO | BO | Branch Post Office |
| Lond BO | BO | Branch Post Office |
| Ankari BO | BO | Branch Post Office |
| Konibar BO | BO | Branch Post Office |
