Hajauli BO is the primary post office registered under PIN code 221701 in Ballia, Uttar Pradesh. This code sits within the Northern Postal Region, with 14 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Hajauli BO | BO | Branch Post Office |
| Kajhari BO | BO | Branch Post Office |
| Naraon BO | BO | Branch Post Office |
| Chilkahar SO | SO | Sub Post Office |
| Kopawan BO | BO | Branch Post Office |
| Chhibbi BO | BO | Branch Post Office |
| Tikadeori BO | BO | Branch Post Office |
| Uchera BO | BO | Branch Post Office |
| Aundi BO | BO | Branch Post Office |
| Dumari BO | BO | Branch Post Office |
| Sanwara BO | BO | Branch Post Office |
| Sinhachawar BO | BO | Branch Post Office |
| Asanwar BO | BO | Branch Post Office |
| Gopalpur BO | BO | Branch Post Office |
