| Post office | Karaikottai B.O |
| Pin code | 614013 |
| Office type | B.O |
| Taluk / city | Mannargudi |
| District name | Tiruvarur |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Thanjavur |
| Region name | Tiruchy |
| Circle name | Tamilnadu |
| Related sub office | Idangankottai Melaiyur S.O |
| Related head office | Mannargudi H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 614013 | Idangankottai Keelaiyur B.O | Mannargudi | Tiruvarur | Tamil Nadu |
| 614013 | Idangankottai Melaiyur S.O | Mannargudi | Tiruvarur | Tamil Nadu |
| 614013 | Karaikottai B.O | Mannargudi | Tiruvarur | Tamil Nadu |
| 614013 | Kattakudi B.O | Mannargudi | Tiruvarur | Tamil Nadu |
| 614013 | Pullavarayankudikadu B.O | Nidamangalam | Tiruvarur | Tamil Nadu |