State · Capital: Patna · 38 Districts · 9,059 Post Offices · 979 PIN Codes
Bihar, one of India's most densely populated states, has a postal history stretching back to the British era when it served as a key administrative region. Today, the Bihar Postal Circle headquartered in Patna connects hundreds of rural Block Post Offices in the Gangetic plains with major urban sorting facilities.
Bihar PIN codes predominantly begin with 8, covering the Patna, Bhagalpur, Darbhanga, and Muzaffarpur circles.
Bihar has 9,059 post offices across 38 districts, with 979 unique PIN codes. Browse the districts listed above to find specific PIN codes.
Bihar has 38 districts with postal coverage as per India Post records.
The capital of Bihar is Patna.
Click on any district above to see all PIN codes and post offices in that district of Bihar. You can also use the search bar on the homepage to search by office name or PIN code directly.
Bihar is a state of India with its own elected legislative assembly.
Bihar has 979 unique PIN codes across its 38 districts.
In Bihar, PIN codes begin with 8. The first digit indicates the postal zone, the second digit represents the sub-zone (Bihar), and the remaining four digits identify the sorting district and specific post office.
Bihar has 9,059 post offices, including Head Offices (H.O), Sub Offices (S.O), and Branch Offices (B.O).
Yes. All valid PIN codes in Bihar are accepted by e-commerce platforms like Amazon, Flipkart, Myntra, and courier services like Blue Dart, DTDC, and Delhivery for delivery serviceability checks.
H.O stands for Head Office — the primary post office of a postal division. Bihar has one H.O per district that serves as the hub for all S.O (Sub Office) and B.O (Branch Office) post offices in that area.