Arwal is Taluka (Tehsil) in Gaya district of Bihar state. Arwal has 19 areas (postal offices).
Arwal town is the administrative headquarters of Arwal district in Bihar state of India. It was earlier part of Jehanabad district. Arwal has a population of 588,000. Arwal, the district headquarters is approximately 80 km south from the state capital Patna. Arwal town is situated on the right side bank of the river Son, which is a tributary to the River Ganges.
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 804402 | Baidrabad PIN Code | Gaya | Arwal | Sub Office |
| 804428 | Injore PIN Code | Gaya | Arwal | Branch Office |
| 804401 | Jalpura PIN Code | Gaya | Arwal | Branch Office |
| 804430 | K Bhupat PIN Code | Gaya | Arwal | Sub Office |
| 804419 | Karpi PIN Code | Gaya | Arwal | Sub Office |
| 804402 | Khabhaini PIN Code | Gaya | Arwal | Branch Office |
| 804428 | Koel Bhupat PIN Code | Gaya | Arwal | Branch Office |
| 804421 | Kurtha PIN Code | Gaya | Arwal | Sub Office |
| 804421 | Mednipur Brahiya PIN Code | Gaya | Arwal | Branch Office |
| 804421 | Narhi PIN Code | Gaya | Arwal | Branch Office |
| 804421 | Nighwan PIN Code | Gaya | Arwal | Branch Office |
| 804401 | Pakharpur PIN Code | Gaya | Arwal | Branch Office |
| 804428 | Parasi PIN Code | Gaya | Arwal | Branch Office |
| 804402 | Rampur Baina PIN Code | Gaya | Arwal | Branch Office |
| 804402 | Rampur Chouram PIN Code | Gaya | Arwal | Branch Office |
| 804401 | Sakarichowki PIN Code | Gaya | Arwal | Branch Office |
| 804428 | Sakri Khurd PIN Code | Gaya | Arwal | Branch Office |
| 804428 | Seikhpura PIN Code | Gaya | Arwal | Branch Office |
| 804428 | Usari PIN Code | Gaya | Arwal | Sub Office |