Kasia is Taluka (Tehsil) in Kushinagar district of Uttar Pradesh state. Kasia has 3 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 274402 | J M C Sohasha Mathia PIN Code | Kushinagar | Kasia | Branch Office |
| 274403 | Kushinagar PIN Code | Kushinagar | Kasia | Sub Office |
| 274402 | Natwalia PIN Code | Kushinagar | Kasia | Branch Office |