Tarwara is located in the district of Siwan, Bihar. The pincode of Tarwara is 841506. The area "Tarwara" lies under takula of Siwan and has a Sub Office. Tarwara comes under the head office Siwan. The postal division for pin code 841506 is Siwan.
| Area | Tarwara |
| Pincode | 841506 |
| Taluka or Tehsil | Siwan |
| District | Siwan |
| State | Bihar |
| Office Status | Sub Office |
| Postal Division | Siwan |
| Postal Region | Muzaffarpur |
| Sub Office | NA |
| Head Office | Siwan |
| Contact Address | Postmaster, Post Office Tarwara (Sub Office), Siwan, Bihar, India, Pin Code: 841506 |
| Telephone | 06153-111111 |
| Pin code | Area | District | Taluka | Postal Status |
|---|---|---|---|---|
| 841506 | Babhanbara pin code | Siwan | Siwan | Branch Office |
| 841506 | Balia pin code | Siwan | Siwan | Branch Office |
| 841506 | Bhartpura pin code | Siwan | Siwan | Branch Office |
| 841506 | Chaukihasan pin code | Siwan | Siwan | Branch Office |
| 841506 | Dindayalpur pin code | Siwan | Siwan | Branch Office |
| 841506 | Jalalpur pin code | Siwan | Siwan | Branch Office |
| 841506 | Karanpura pin code | Siwan | Siwan | Branch Office |
| 841506 | Laxmiganj Sisai pin code | Siwan | Siwan | Branch Office |
| 841506 | Madhopur pin code | Siwan | Siwan | Branch Office |
| 841506 | Pipra Naryan pin code | Siwan | Siwan | Branch Office |
| 841506 | Ratanpura pin code | Siwan | Siwan | Branch Office |
| 841506 | Saraya Sah Mohamd pin code | Siwan | Siwan | Branch Office |
| 841506 | Shakara pin code | Siwan | Siwan | Branch Office |
| 841506 | Tarwara pin code | Siwan | Siwan | Sub Office |
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