| Office Name | Viriyur B.O |
| Pincodes | 606402 |
| Area | Viriyur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Virugavur B.O |
| Pincodes | 606203 |
| Area | Virugavur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Vriddhachalam Bazaar S.O |
| Pincodes | 606001 |
| Area | Vriddhachalam Bazaar |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | 04143-231190 |
| Office Name | Vriddhachalam Cutchery S.O |
| Pincodes | 606001 |
| Area | Vriddhachalam Cutchery |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | 04143-262690 |
| Office Name | Vriddhachalam H.O |
| Pincodes | 606001 |
| Area | Vriddhachalam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | 04143-260293 |