PIN code 841420

Post offices (7)

• Faizullahpur Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Gamhari Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Harpurjan Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Katalpur Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Matiyari Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Paharpur Branch Post Office

  Branch Post Office · delivery · Siwan Division

• Rajapatti Post Office

  PO · delivery · Siwan Division

Source: Department of Posts, All India Pincode Directory (data.gov.in, GODL-India), as of 3 Oct 2025.