| Post office | Kollakadavu S.O |
| Pin code | 690509 |
| Office type | S.O |
| Taluk / city | Chengannur |
| District name | Alappuzha |
| State name | Kerala |
| Delivery status | Delivery |
| Division name | Mavelikara |
| Region name | Kochi |
| Circle name | Kerala |
| Related sub office | NA |
| Related head office | Mavelikara H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 690509 | Kollakadavu S.O | Chengannur | Alappuzha | Kerala |
| 690509 | Kallimel B.O | Mavelikkara | Alappuzha | Kerala |