851111 PIN code: Bachhawara, Begusarai

PIN code

851111

Main post office

Bachhawara (sub office)

District

Begusarai

State

Bihar

Postal division

Begusarai

Region and circle

East Region Bhagalpur, Bihar circle

Delivery

Delivery PIN (17 of 17 offices deliver)

Location

Open on a map (25.417, 86.129)

Post offices with PIN 851111

851111 covers 0 head offices, 1 sub office and 16 branch offices.

What the digits of 851111 mean

• 8: India Post's Eastern region, which covers Bihar and Jharkhand (1,274 PINs).
• 85: the Bihar postal circle; 145 PINs start with 85.
• 851: the sorting district, shared by 37 PINs in 2 districts.
• 111: the delivery post office within it, Bachhawara.

Head post office for 851111

The post offices with this PIN belong to the Begusarai postal division, whose head office is listed below. Money orders, savings accounts and complaints that a sub or branch office cannot settle go to the head office.

• Begusarai head post office: 851101

Nearby PIN codes in Begusarai

• Khamhar PO851110
• Barauni851112
• BDeorhi851113
• Barauni Oil Refinery851114
• Barauni Urvark Nagar851115
• Btpp851116
• Refinery Township851117
• Baro851118

All 32 PIN codes in Begusarai

Writing an address with 851111

Put the PIN on the last line, after the town and state, so the sorting machines and postmen can read it:

Name
House number, street
Bachhawara post office
Begusarai, Bihar – 851111

Frequently asked questions

Sources

• India Post – All India Pincode Directory (data.gov.in)
• India Post – Know your PIN code

Last checked on 6 October 2026. PIN codes and post offices are from India Post’s directory on data.gov.in. Post offices are sometimes opened, merged or renamed; check with India Post before relying on a PIN for an official form.