| Post Office | Mullandrum |
| Division | Arakkonam |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Timiri S.O |
| Head Office | Ranipet H.O |
| Pincode |
632512
|
| Post Office | Poosimalaikuppam |
| Division | Arakkonam |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Timiri S.O |
| Head Office | Ranipet H.O |
| Pincode |
632512
|
| Post Office | Puthur |
| Division | Arakkonam |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Timiri S.O |
| Head Office | Ranipet H.O |
| Pincode |
632512
|
| Post Office | Vethajipuram |
| Division | Arakkonam |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Kavanur S.O |
| Head Office | Ranipet H.O |
| Pincode |
632507
|
| Post Office | Adiyanur |
| Division | Tiruvannamalai |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Kilkodungalur S.O |
| Head Office | Arni H.O |
| Pincode |
604403
|
| Post Office | Agraharapalayam |
| Division | Tiruvannamalai |
| Region | Chennai Region |
| Circle | Tamilnadu |
| Taluka | Arni |
| District | Tiruvannamalai |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Kunnathur Arni S.O |
| Head Office | Arni H.O |
| Pincode |
632314
|