Bounsi is Taluka (Tehsil) in Banka district of Bihar state. Bounsi has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 813104 | Chvapaui PIN Code | Banka | Bounsi | Branch Office |
| 813104 | Gorgama PIN Code | Banka | Bounsi | Branch Office |
| 813104 | Kushmaha PIN Code | Banka | Bounsi | Branch Office |
| 813104 | Sabalpur PIN Code | Banka | Bounsi | Branch Office |
| 813104 | Saraiya PIN Code | Banka | Bounsi | Branch Office |
| 813104 | Serua PIN Code | Banka | Bounsi | Branch Office |