Pincode of Siwan, Bihar

Post Office Types in Siwan

Siwan district has different types of post offices to serve its population efficiently.

All Pincodes in Siwan District

Browse the complete list of 51 postal codes in Siwan, Bihar. Click any pincode for detailed post office information, delivery zones, and nearby locations.

About Siwan District Postal Network

Siwan is a district in Bihar with a well-organized postal network managed by India Post. The district is served by 355 post offices, covering 2,244 villages and localities. The pincode range for Siwan spans from 841203 to 841509, ensuring every area has a unique 6-digit postal identifier for efficient mail sorting and delivery.

The postal infrastructure in Siwan includes Head Post Offices (H.O.) that serve as main sorting centers, Sub Post Offices (S.O.) that handle local distribution, and Branch Post Offices (B.O.) that provide last-mile delivery to villages and rural areas. This hierarchical structure ensures mail and parcels are routed efficiently from national sorting centers to the final delivery point.

How to Use Siwan Pincodes

When sending mail or parcels to any location in Siwan, always use the correct 6-digit pincode for the specific post office area. The pincode helps India Post and courier services route your shipment through the correct sorting facility. For online shopping, entering the right pincode ensures accurate delivery time estimates and shipping cost calculations.

If you're unsure which pincode to use, search for the post office name or village name on this page. Each pincode links to a detailed page with the complete postal information including office type, delivery zone, and nearby post offices.