| Post office | Rayampettai B.O |
| Pin code | 604601 |
| Office type | B.O |
| Taluk / city | Tvamalai |
| District name | Tiruvannamalai |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Tiruvannamalai |
| Region name | Chennai Region |
| Circle name | Tamilnadu |
| Related sub office | Kilpennathur S.O |
| Related head office | Tiruvannamalai H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 604601 | Karungalikuppam B.O | NA | Tiruvannamalai | Tamil Nadu |
| 604601 | Kikkalur B.O | Tiruannvmalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Kilpennathur S.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Mekkalur B.O | Tiruvannamalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Rayampettai B.O | Tvamalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Sirunathur B.O | Tvamalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Valudalangunam B.O | Tvamalai | Tiruvannamalai | Tamil Nadu |
| 604601 | Erumpoondi B.O | Tvmalai | Tiruvannamalai | Tamil Nadu |