In Tirupati district, Andhra Pradesh, PIN code 517520 is anchored by Cotton Mills B.O, a Branch Post Office. Mail addressed to this code is sorted through the Southern Postal Region, across 13 listed offices.
| Post office | Type | Full name |
|---|---|---|
| Cotton Mills B.O | BO | Branch Post Office |
| Kummarapalle B.O | BO | Branch Post Office |
| Vedullacheruvu B.O | BO | Branch Post Office |
| Renigunta S.O | SO | Sub Post Office |
| Mamanduru B.O | BO | Branch Post Office |
| Pillapalem B.O | BO | Branch Post Office |
| Tarakarama Nagar BO | BO | Branch Post Office |
| Karakambadi B.O | BO | Branch Post Office |
| Madhavamala B.O | BO | Branch Post Office |
| Thukivakam B.O | BO | Branch Post Office |
| Athur B.O | BO | Branch Post Office |
| Gajulamandyam B.O | BO | Branch Post Office |
| Kothapalem B.O | BO | Branch Post Office |
