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686506 PINCode is located in Kottayam district
| Post Offices with the same pin code as Chennakunnu | |||
| No. | Post Office | District | Pincode |
| 1 | Kanjirapally west | Kottayam | 686506 |
| 2 | Mannarakayam | Kottayam | 686506 |
| 3 | Nariyanani | Kottayam | 686506 |
| 4 | Ponkunnam court | Kottayam | 686506 |
| 5 | Ponkunnam | Kottayam | 686506 |
| 6 | Thampalakkad | Kottayam | 686506 |
| 7 | Sankranthi | Kottayam | 686506 |