| Office Name | G.S.T.Centre B.O |
| Pincodes | 517644 |
| Area | G.S.T.Centre |
| Office Status | Branch Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Tirupati |
| Postal Region | Kurnool |
| District | Chittoor |
| State | Andhra Pradesh |
| Telephone No. | Na |
| Office Name | Kothapet Srikalahasti S.O |
| Pincodes | 517644 |
| Area | Kothapet Srikalahasti |
| Office Status | Sub Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Tirupati |
| Postal Region | Kurnool |
| District | Chittoor |
| State | Andhra Pradesh |
| Telephone No. | 08578-220660 |
| Office Name | Srikalahasti H.O |
| Pincodes | 517644 |
| Area | Srikalahasti |
| Office Status | Branch Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Tirupati |
| Postal Region | Kurnool |
| District | Chittoor |
| State | Andhra Pradesh |
| Telephone No. | 08578-222207 |
| Office Name | Srikalahasti North S.O |
| Pincodes | 517644 |
| Area | Srikalahasti North |
| Office Status | Sub Post Office |
| Postal Circle | Andhra Pradesh |
| Postal Division | Tirupati |
| Postal Region | Kurnool |
| District | Chittoor |
| State | Andhra Pradesh |
| Telephone No. | 08578-222252 |