Kotwa Narayenpur BO is the primary post office registered under PIN code 277501 in Ballia, Uttar Pradesh. This code sits within the Northern Postal Region, with 7 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Kotwa Narayenpur BO | BO | Branch Post Office |
| Ramgarh BO | BO | Branch Post Office |
| Tutuwari BO | BO | Branch Post Office |
| Amaon BO | BO | Branch Post Office |
| Baghuna BO | BO | Branch Post Office |
| Bharauli BO | BO | Branch Post Office |
| Korantadih SO | SO | Sub Post Office |
