Tarwan is located in the district of Gaya, Bihar. The pincode of Tarwan is 805128. The area "Tarwan" lies under takula of Nawadha and has a Sub Office. Tarwan comes under the head office Nawadha. The postal division for pin code 805128 is Nawadha.
| Area | Tarwan |
| Pincode | 805128 |
| Taluka or Tehsil | Nawadha |
| District | Gaya |
| State | Bihar |
| Office Status | Sub Office |
| Postal Division | Nawadha |
| Postal Region | Patna HQ |
| Sub Office | NA |
| Head Office | Nawadha |
| Contact Address | Postmaster, Post Office Tarwan (Sub Office), Nawadha, Bihar, India, Pin Code: 805128 |
| Telephone | 0634-99999999 |
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 805128 | B Makdumpur pin code | Gaya | Nawadha | Branch Office |
| 805128 | Baijdah pin code | Gaya | Nawadha | Branch Office |
| 805128 | Chowar pin code | Nawada | Akbarpur | Branch Office |
| 805128 | Dharampur pin code | Gaya | Nawadha | Branch Office |
| 805128 | Dumri pin code | Nawada | Akbarpur | Branch Office |
| 805128 | Kenar pin code | Gaya | Nawadha | Branch Office |
| 805128 | Kother pin code | Nawada | Akbarpur | Branch Office |
| 805128 | M H Chack pin code | Gaya | Nawadha | Branch Office |
| 805128 | Mahugain pin code | Gaya | Nawadha | Branch Office |
| 805128 | Nagwan pin code | Nawada | Akbarpur | Branch Office |
| 805128 | Pasarhi pin code | Nawada | Akbarpur | Branch Office |
| 805128 | Tarwan pin code | Gaya | Nawadha | Sub Office |
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