In Sonbhadra district, Uttar Pradesh, PIN code 231218 is anchored by Renusagar SO, a Sub Post Office. Mail addressed to this code is sorted through the Northern Postal Region, across 3 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Renusagar SO | SO | Sub Post Office |
| Khajura BO | BO | Branch Post Office |
| Pati B.O | BO | Branch Post Office |
