Challapalli B.O is the primary post office registered under PIN code 515122 in Sri Sathya Sai, Andhra Pradesh. This code sits within the Southern Postal Region, with 11 offices operating under it.
| Post office | Type | Full name |
|---|---|---|
| Challapalli B.O | BO | Branch Post Office |
| Edulaballapuram B.O | BO | Branch Post Office |
| Chalakur B.O | BO | Branch Post Office |
| Naginayanicheruvu Thanda B.O | BO | Branch Post Office |
| Suddakuntapalli B.O | BO | Branch Post Office |
| Somandepalli S.O | SO | Sub Post Office |
| Chakarlapalli B.O | BO | Branch Post Office |
| Gudipalli B.O | BO | Branch Post Office |
| Nadimpalli B.O | BO | Branch Post Office |
| Pandiparthi B.O | BO | Branch Post Office |
| Rangepalli B.O | BO | Branch Post Office |
