| Post office | Kollayil B.O |
| Pin code | 691541 |
| Office type | B.O |
| Taluk / city | Kottarakkara |
| District name | Kollam |
| State name | Kerala |
| Delivery status | Delivery |
| Division name | Quilon |
| Region name | Trivandrum HQ |
| Circle name | Kerala |
| Related sub office | Madathara S.O |
| Related head office | Kottarakara H.O |
| Pincode | Post office name | City | District | State |
|---|---|---|---|---|
| 691541 | Kollayil B.O | Kottarakkara | Kollam | Kerala |
| 691541 | Madathara S.O | Kottarakkara | Kollam | Kerala |
| 691541 | Venkolla B.O | Kottarakkara | Kollam | Kerala |