In Krishna district, Andhra Pradesh, PIN code 521162 is anchored by Ramannapet B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 4 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Ramannapet B.O | BO | Branch Post Office |
| Rayavaram B.O | BO | Branch Post Office |
| Polavaram(K) S.O | SO | Sub Post Office |
| Mallavolu B.O | BO | Branch Post Office |
