| Office Name | Karattai B.O |
| Pincodes | 604154 |
| Area | Karattai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pondicherry |
| Postal Region | Chennai Region |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Nallavur B.O |
| Pincodes | 604154 |
| Area | Nallavur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pondicherry |
| Postal Region | Chennai Region |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Olagapuram B.O |
| Pincodes | 604154 |
| Area | Olagapuram |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pondicherry |
| Postal Region | Chennai Region |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Velur Sa S.O |
| Pincodes | 604154 |
| Area | Velur Sa |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Pondicherry |
| Postal Region | Chennai Region |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |