| Post Office | Eravangudi |
| Division | Tiruchirapalli |
| Region | Tiruchy |
| Circle | Tamilnadu |
| Taluka | Jayamkondcholapuram |
| District | Ariyalur |
| State | Tamil Nadu |
| Phone | NA |
| Sub Office | Kallathur Thandalai S.O |
| Head Office | Lalgudi H.O |
| Pincode |
621803
|
| Post Office | Udayarpalayam (ariyalur) |
| Division | Tiruchirapalli |
| Region | Tiruchy |
| Circle | Tamilnadu |
| Taluka | Jayamkondcholapuram |
| District | Ariyalur |
| State | Tamil Nadu |
| Phone | 04331-245988 |
| Sub Office | NA |
| Head Office | Lalgudi H.O |
| Pincode |
621804
|