Ishupur is Taluka (Tehsil) in Saran district of Bihar state. Ishupur has 4 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 841411 | Chandpurwa PIN Code | Saran | Ishupur | Branch Office |
| 841410 | Piyarepur PIN Code | Saran | Ishupur | Branch Office |
| 841421 | Sikati Bhikham PIN Code | Saran | Ishupur | Branch Office |
| 841424 | Ushri Chandrapura PIN Code | Saran | Ishupur | Branch Office |