PIN code 524403 belongs to Chinnathota B.O (Branch Post Office), located in Tirupati district, Andhra Pradesh. It falls under the Southern Postal Region and is served by 11 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Chinnathota B.O | BO | Branch Post Office |
| Dugarajapatnam B.O | BO | Branch Post Office |
| Nidigurthi B.O | BO | Branch Post Office |
| Yellore B.O | BO | Branch Post Office |
| Mallam S.O (Nellore) | OTHER | post office |
| Buradagalikothapalem B.O | BO | Branch Post Office |
| Karikadu B.O | BO | Branch Post Office |
| Raviguntapalem B.O | BO | Branch Post Office |
| Thirumur B.O | BO | Branch Post Office |
| Vallamedu B.O | BO | Branch Post Office |
| Mulapadava B.O | BO | Branch Post Office |
