| Post Office | Kalasthambadi B.o |
| Division | Tiruvannamalai |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Tiruvananamalai |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Turinjapuram S.O |
| Head Office | Tiruvannamalai H.O |
| Pincode |
606805
|
| Post Office | Nallavanpalayam B.o |
| Division | Tiruvannamalai |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Tiruvananamalai |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Sriramanashramam S.O |
| Head Office | Tiruvannamalai H.O |
| Pincode |
606603
|
| Post Office | Tandarai S.o |
| Division | Tiruvannamalai |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Tiruvananamalai |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | 04175-206448 |
| Sub Office | NA |
| Head Office | Tiruvannamalai H.O |
| Pincode |
606804
|