The PIN code of Koilwan is 847301. It is located in Samastipur district, Bihar, India.
Koilwan is served by Gobarsitha BO post office in Samastipur, Bihar. The pincode 847301 covers this area.
DIGIPIN (Digital Postal Index Number) can be calculated from the GPS coordinates of any address in Koilwan. It is a 10-character alphanumeric code developed by India Post.
Yes, 847301 is a valid 6-digit India Post PIN code assigned to Koilwan area in Samastipur, Bihar.
To send mail to Koilwan, use PIN code 847301. Address your letter to the recipient's name, street address, Koilwan, Samastipur - 847301, Bihar, India.
Koilwan falls in Samastipur district, Bihar, India. The postal PIN code for this area is 847301 (2026).