Chapakhowa is Taluka (Tehsil) in Tinsukia district of Assam state. Chapakhowa has 9 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 786157 | Amarpur PIN Code | Tinsukia | Chapakhowa | Branch Office |
| 786157 | Buraburi Than PIN Code | Tinsukia | Chapakhowa | Branch Office |
| 786157 | Islampur PIN Code | Tinsukia | Chapakhowa | Branch Office |
| 786158 | Kukuremara PIN Code | Tinsukia | Chapakhowa | Branch Office |
| 786158 | Kundil PIN Code | Tinsukia | Chapakhowa | Sub Office |
| 786158 | Natun Balijan PIN Code | Tinsukia | Chapakhowa | Branch Office |
| 786155 | Sadiya PIN Code | Tinsukia | Chapakhowa | Sub Office |
| 786154 | Saikhowaghat PIN Code | Tinsukia | Chapakhowa | Sub Office |
| 786157 | Santipur Bazar PIN Code | Tinsukia | Chapakhowa | Branch Office |