| Post office | Oonnukal B.O |
| Pin code | 689647 |
| Office type | B.O |
| Taluk / city | Kozhenchery |
| District name | Pathanamthitta |
| State name | Kerala |
| Delivery status | Delivery |
| Division name | Pathanamthitta |
| Region name | Trivandrum HQ |
| Circle name | Kerala |
| Related sub office | Omallur-kla S.O |
| Related head office | Pathanamthitta H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 689647 | Omallur-kla S.O | Kozhencherry | Pathanamthitta | Kerala |
| 689647 | Mathur B.O | Kozhenchery | Pathanamthitta | Kerala |
| 689647 | Oonnukal B.O | Kozhenchery | Pathanamthitta | Kerala |
| 689647 | Vazhamuttom B.O | Kozhenchery | Pathanamthitta | Kerala |