Koilwar Postal Codes, Bhojpur, Patna, Bihar India

Find all official postal codes and zip codes for Koilwar, located in Bihar, Patna, Bhojpur, India. The table below lists the specific postal codes for various places, towns, and neighborhoods within Koilwar to ensure your mail and packages are correctly routed.

Koilwar on the Map

The map above highlights the geographic boundaries of the Koilwar sub-districts in India. The postal codes listed on this page correspond to specific towns, villages, and post offices within this area.

What to Know About Koilwar

Key Facts

Koilwar is a town and a notified area in the Bhojpur district of Bihar, India, situated along the southern bank of the Ganges River. Located approximately 50 kilometers west of Patna, the state capital, Koilwar serves as an important administrative and commercial hub within its region. The town is particularly notable for the historic Koilwar Bridge, also known as the Sone Bridge, which spans the Sone River near its confluence with the Ganges and is one of the oldest railway bridges in India, constructed during the British colonial era. With an estimated population of around 25,000–30,000 people, Koilwar covers an area of roughly 15–20 square kilometers and is characterized by a mix of residential, agricultural, and small-scale industrial zones. The town is subdivided into several wards for local governance, reflecting its status as a notified area under the Bhojpur district administration. Koilwar's economy is primarily driven by agriculture, trade, and transportation, benefiting from its strategic location near major river systems and road networks. For detailed postal code information and further subdivision data, users can explore the specific wards and localities within Koilwar to facilitate accurate addressing and logistics.

Neighboring Regions

* Ara

* Bihiya

* Jagdishpur

* Piro

* Shahpur