PIN code 522318 belongs to Mamillapalli B.O (Branch Post Office), located in Guntur district, Andhra Pradesh. It falls under the Southern Postal Region and is served by 5 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Mamillapalli B.O | BO | Branch Post Office |
| Nadigaddapalem B.O | BO | Branch Post Office |
| Pedagadelavarru B.O | BO | Branch Post Office |
| Modukur B.O | BO | Branch Post Office |
| Tsunduru S.O | SO | Sub Post Office |
