| Post office | Karai B.O |
| Pin code | 621109 |
| Office type | B.O |
| Taluk / city | Perambalur |
| District name | Perambalur |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Srirangam |
| Region name | Tiruchy |
| Circle name | Tamilnadu |
| Related sub office | Padalur S.O |
| Related head office | Perambalur H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 621109 | Alathur Gate B.O | Kunnam | Perambalur | Tamil Nadu |
| 621109 | Karai B.O | Perambalur | Perambalur | Tamil Nadu |
| 621109 | Ootathur B.O | Perambalur | Perambalur | Tamil Nadu |
| 621109 | Padalur S.O | Perambalur | Perambalur | Tamil Nadu |
| 621109 | Seedevimangalam B.O | Perambalur | Perambalur | Tamil Nadu |
| 621109 | Therani B.O | Perambalur | Perambalur | Tamil Nadu |