Fact-Checked Postal Data: The official, verified Pincode for the Bibiganj BO post office is 855101. This office is located in the KISHANGANJ district of BIHAR.Whether you are updating your banking and Aadhaar details, sending an important registered letter, or tracking an e-commerce courier, using the exact 6-digit postal code is critical. A single incorrect digit can result in your package being misrouted across the state. In this comprehensive, data-backed guide, we provide the complete India Post directory details for the 855101 postal area.

Verified Bibiganj BO Post Office Information

Below is the structured data for the Bibiganj BO facility. This information reflects the official administrative routing data used by the Department of Posts to sort and dispatch mail.

Post Office Name	Bibiganj BO
Official Pincode	855101
Office Type	BO
Delivery Status	Delivery
District	KISHANGANJ
State	BIHAR
GPS Coordinates	Lat: 26.312807, Long: 87.758139

Understanding Delivery Status: What “Delivery” Means for You

Expert logistics tracking relies on knowing the capability of the local destination hub. The Bibiganj BO location is classified as a BO, and its current India Post delivery status is listed as Delivery.Expert Tip: If the status above reads “Delivery”, it means this specific facility employs postmen who physically carry mail to doorsteps within the 855101 boundary. If it reads “Non-Delivery”, it functions strictly as an administrative or booking center; your incoming mail is technically processed by a larger neighboring hub before reaching you.

Geographical Routing and Administrative Hierarchy

How does a package travel hundreds of miles to arrive precisely at Bibiganj BO? India Post relies on a strict administrative hierarchy. Here is how your mail is routed to the KISHANGANJ district:

• Postal Circle: The highest tier. Bibiganj BO operates within the Bihar Circle.
• Postal Region: The secondary sorting hub is managed by the East Region Bhagalpur.
• Postal Division: The localized control center handling daily dispatch for 855101 is the Divisional Office Katihar.

For geolocation systems, mapping applications, and e-commerce delivery partners, the service area is anchored around the GPS coordinates of 26.312807, 87.758139.

How to Read Your 6-Digit Postal Code (855101)

The Postal Index Number (PIN) system was introduced in 1972 to eliminate confusion caused by duplicate city names and incorrect addresses. Here is the technical breakdown of how the 855101 code directs your mail to BIHAR:

1. First Digit: Indicates the geographic zone (e.g., North, South, East, West India).
2. Second Digit: Narrows down the routing sub-zone (often corresponding to the Bihar Circle).
3. Third Digit: Identifies the specific sorting district.
4. Last Three Digits: These are the most crucial. They uniquely identify the exact Bibiganj BO post office out of the thousands in the country.

Frequently Asked Questions (People Also Ask)

1. What is the official Pincode of Bibiganj BO? The verified 6-digit postal code for the Bibiganj BO post office is 855101.
2. Where is the Bibiganj BO post office located? It is situated in the KISHANGANJ district within the state of BIHAR. Its routing operations are handled by the Divisional Office Katihar.
3. Can I use 855101 for courier deliveries? Yes, provided you are shipping to an address within its jurisdiction. Please note its official delivery status is Delivery.
4. What type of post office is this? Under India Post classifications, Bibiganj BO operates as a BO.

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Data Trust & Authoritative Sources

Disclaimer: The postal data, delivery status, and administrative routing information provided in this directory are sourced directly from the Department of Posts, Ministry of Communications, Government of India. We utilize the Open Government Data platform to ensure 100% accuracy. For direct inquiries, tracking grievances, or verifying postal schemes, please visit the official government portals linked below.

• Official India Post Website
• Open Government Data (OGD) Platform