In Ntr district, Andhra Pradesh, PIN code 520004 is anchored by Machavaram S.O (Krishna), a post office. Mail addressed to this code is sorted through the Southern Postal Region, across 2 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Machavaram S.O (Krishna) | OTHER | post office |
| Gunadala S.O | SO | Sub Post Office |
