PIN code 277503 belongs to Singhpur BO (Branch Post Office), located in Ballia district, Uttar Pradesh. It falls under the Northern Postal Region and is served by 4 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Singhpur BO | BO | Branch Post Office |
| Cherueyan BO | BO | Branch Post Office |
| Bisukia BO | BO | Branch Post Office |
| Phehpana SO | SO | Sub Post Office |
