PIN code 517620 belongs to Pallam S.O (Sub Post Office), located in Tirupati district, Andhra Pradesh. It falls under the Southern Postal Region and is served by 10 post offices in total.
| Post office | Type | Full name |
|---|---|---|
| Pallam S.O | SO | Sub Post Office |
| Empedu B.O | BO | Branch Post Office |
| Inagalur B.O | BO | Branch Post Office |
| Velampadu B.O | BO | Branch Post Office |
| Yelavedu B.O | BO | Branch Post Office |
| Gollapalle B.O | BO | Branch Post Office |
| Kalavagunta B.O | BO | Branch Post Office |
| Mannavaram B.O | BO | Branch Post Office |
| Poli B.O | BO | Branch Post Office |
| Vagavedu B.O | BO | Branch Post Office |
