Dariapur is Taluka (Tehsil) in Saran district of Bihar state. Dariapur has 6 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 841221 | Arbindnagar PIN Code | Saran | Dariapur | Branch Office |
| 841222 | Fursatpur PIN Code | Saran | Dariapur | Branch Office |
| 841101 | Harihar Kshetra PIN Code | Saran | Dariapur | Branch Office |
| 841219 | Masti Chak PIN Code | Saran | Dariapur | Branch Office |
| 841222 | Patti Sital PIN Code | Saran | Dariapur | Branch Office |
| 841101 | T M Pal PIN Code | Saran | Dariapur | Branch Office |