In Mau district, Uttar Pradesh, PIN code 221603 is anchored by Bhairopur 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 |
|---|---|---|
| Bhairopur BO | BO | Branch Post Office |
| Lalanpur BO | BO | Branch Post Office |
| Banpokhara BO | BO | Branch Post Office |
| Nathupur BO | BO | Branch Post Office |
| Saundih BO | BO | Branch Post Office |
| Siddha Ahilashpur BO | BO | Branch Post Office |
| Madhu Ban SO | SO | Sub Post Office |
| Baundih BO | BO | Branch Post Office |
| Jajaauli BO | BO | Branch Post Office |
| Fatehpur Talratoy BO | BO | Branch Post Office |
| Katghar Shankar BO | BO | Branch Post Office |
| Sipaibrahima Bad BO | BO | Branch Post Office |
| Undura BO | BO | Branch Post Office |
