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685588 PINCode is located in Idukki district
| Post Offices with the same pin code as Chilavu | |||
| No. | Post Office | District | Pincode |
| 1 | Devarupara | Idukki | 685588 |
| 2 | Edavetty | Idukki | 685588 |
| 3 | Elamdesom | Idukki | 685588 |
| 4 | Kalayanthani | Idukki | 685588 |
| 5 | Koovakandam | Idukki | 685588 |
| 6 | Pannimattom | Idukki | 685588 |
| 7 | Velliyamattom | Idukki | 685588 |