The PIN code of Mairwa is 841239. It is located in Siwan district, Bihar, India.
Mairwa is served by Anugrhnagar BO post office in Siwan, Bihar. The pincode 841239 covers this area.
DIGIPIN (Digital Postal Index Number) can be calculated from the GPS coordinates of any address in Mairwa. It is a 10-character alphanumeric code developed by India Post.
Yes, 841239 is a valid 6-digit India Post PIN code assigned to Mairwa area in Siwan, Bihar.
To send mail to Mairwa, use PIN code 841239. Address your letter to the recipient's name, street address, Mairwa, Siwan - 841239, Bihar, India.
Mairwa falls in Siwan district, Bihar, India. The postal PIN code for this area is 841239 (2026).