In Visakhapatanam district, Andhra Pradesh, PIN code 531020 is anchored by Nunaparthi B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 6 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Nunaparthi B.O | BO | Branch Post Office |
| Dalaipalim B.O | BO | Branch Post Office |
| Cheepurupalli B.O | BO | Branch Post Office |
| Ravada B.O | BO | Branch Post Office |
| Venkatapathipalem B.O | BO | Branch Post Office |
| Ntpc Simhadri S.O | SO | Sub Post Office |
