Chirayinkil is Taluka (Tehsil) in Thiruvananthapuram district of Kerala state. Chirayinkil has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 695584 | Andoorkonam PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |
| 695584 | Iroopara PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |
| 695612 | Koduvazhannur PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |
| 695607 | Koliakode PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |
| 695607 | Pirappancode PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |
| 695601 | Vellallur PIN Code | Thiruvananthapuram | Chirayinkil | Branch Office |