In Mau district, Uttar Pradesh, PIN code 221705 is anchored by Gahana BO, a Branch Post Office. Mail addressed to this code is sorted through the Northern Postal Region, across 13 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Gahana BO | BO | Branch Post Office |
| Umapur BO | BO | Branch Post Office |
| HALDHARPUR SO | SO | Sub Post Office |
| Gahani BO | BO | Branch Post Office |
| Talai Pur BO | BO | Branch Post Office |
| Dumraon BO | BO | Branch Post Office |
| Pardaha BO | BO | Branch Post Office |
| Inderpur Bhalya BO | BO | Branch Post Office |
| Ardauna BO | BO | Branch Post Office |
| Kirath Sarai BO | BO | Branch Post Office |
| Chakara BO | BO | Branch Post Office |
| Pahasa BO | BO | Branch Post Office |
| Saravan BO | BO | Branch Post Office |
