| Office Name | Seppakkam B.O |
| Pincodes | 606302 |
| Area | Seppakkam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Serapattu B.O |
| Pincodes | 606401 |
| Area | Serapattu |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sethuvarayankuppam B.O |
| Pincodes | 606203 |
| Area | Sethuvarayankuppam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sevveri B.O |
| Pincodes | 606106 |
| Area | Sevveri |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sikkadu B.O |
| Pincodes | 606205 |
| Area | Sikkadu |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirpadanallur B.O |
| Pincodes | 605802 |
| Area | Sirpadanallur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirpanandal B.O |
| Pincodes | 605802 |
| Area | Sirpanandal |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirumadurai B.O |
| Pincodes | 607203 |
| Area | Sirumadurai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirumangalam B.O |
| Pincodes | 606302 |
| Area | Sirumangalam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirumulai B.O |
| Pincodes | 606106 |
| Area | Sirumulai |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sirupakkam B.O |
| Pincodes | 606108 |
| Area | Sirupakkam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Cuddalore |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Siruvangur B.O |
| Pincodes | 606213 |
| Area | Siruvangur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Siruvathur B.O |
| Pincodes | 606201 |
| Area | Siruvathur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sithalingamadam S.O |
| Pincodes | 605803 |
| Area | Sithalingamadam |
| Office Status | Sub Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | 04153-233486 |
| Office Name | Sithalur B.O |
| Pincodes | 606206 |
| Area | Sithalur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sithanangur B.O |
| Pincodes | 607107 |
| Area | Sithanangur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sithathur B.O |
| Pincodes | 605701 |
| Area | Sithathur |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Somandargudi B.O |
| Pincodes | 606213 |
| Area | Somandargudi |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Soundaravallipalayam B.O |
| Pincodes | 606401 |
| Area | Soundaravallipalayam |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |
| Office Name | Sulankurichi B.O |
| Pincodes | 606206 |
| Area | Sulankurichi |
| Office Status | Branch Post Office |
| Postal Circle | Tamilnadu |
| Postal Division | Vriddhachalam |
| Postal Region | Tiruchy |
| District | Villupuram |
| State | Tamil Nadu |
| Telephone No. | Na |