Kewaii BO is the primary post office registered under PIN code 805141 in Nawada, Bihar. This code sits within the Eastern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kewaii BO | BO | Branch Post Office |
| N Purwaritola BO | BO | Branch Post Office |
| Phuldih BO | BO | Branch Post Office |
| Sundri Dumari BO | BO | Branch Post Office |
| Marara BO | BO | Branch Post Office |
| Rupau BO | BO | Branch Post Office |
| Roh S.O | SO | Sub Post Office |
