Ariyari is Taluka (Tehsil) in Sheikhpura district of Bihar state. Ariyari has 15 areas (postal offices).
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 811105 | Afni PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Belchhi PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Biman PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Brindaban PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811304 | Chordargah PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Chorwar PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Hussainabad PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Karki PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811304 | Lohan PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Masodha PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Navinagar Kakrar PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Pharpar PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | S Ghuskari PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811105 | Sanaiya PIN Code | Sheikhpura | Ariyari | Branch Office |
| 811304 | Sohdi PIN Code | Sheikhpura | Ariyari | Branch Office |