In Palnadu district, Andhra Pradesh, PIN code 522020 is anchored by Didugu B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 8 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Didugu B.O | BO | Branch Post Office |
| Amaravathi S.O | SO | Sub Post Office |
| Muthayapalem B.O | BO | Branch Post Office |
| Pedamadduru B.O | BO | Branch Post Office |
| Vykuntapuram B.O | BO | Branch Post Office |
| Dharanikota B.O | BO | Branch Post Office |
| Harischandrapuram B.O | BO | Branch Post Office |
| Malladi B.O | BO | Branch Post Office |
