| Post office | Kalaiyur B.O |
| Pin code | 607109 |
| Office type | B.O |
| Taluk / city | Cuddalore |
| District name | Cuddalore |
| State name | Tamil Nadu |
| Delivery status | Delivery |
| Division name | Cuddalore |
| Region name | Tiruchy |
| Circle name | Tamilnadu |
| Related sub office | Varakalpattu S.O |
| Related head office | Cuddalore H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 607109 | Alaginatham B.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Gunamangalam B.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Kalaiyur B.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Marudadu B.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Nathapattu B.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Varakalpattu S.O | Cuddalore | Cuddalore | Tamil Nadu |
| 607109 | Vellapakkam B.O | Cuddalore | Cuddalore | Tamil Nadu |