Kunnathunadu is Taluka (Tehsil) in Ernakulam district of Kerala state. Kunnathunadu has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 682308 | Meempara PIN Code | Ernakulam | Kunnathunadu | Branch Office |
| 682310 | Pancode PIN Code | Ernakulam | Kunnathunadu | Branch Office |
| 682308 | Puthencruz PIN Code | Ernakulam | Kunnathunadu | Sub Office |
| 682308 | Thiruvaniyoor PIN Code | Ernakulam | Kunnathunadu | Branch Office |
| 682310 | Vadavucode PIN Code | Ernakulam | Kunnathunadu | Sub Office |
| 682308 | Varikoli PIN Code | Ernakulam | Kunnathunadu | Branch Office |