Postal Zip Codes (postcode) for Jhenaidah District Posted on December 4, 2013 by infodesk Postal Zip Codes (postcode) for Jhenaidah District Thana/Upazila within Jhenaidah District are: Harinakundu, Jhenaidah Sadar, Kotchandpur, Maheshpur, Naldanga. The following table contains post codes of various sub post office in Jhenaidah district. Thana Sub Office Post Code Harinakundu Harinakundu 7310 Jhenaidah Sadar Jhenaidah Cadet College 7301 Jhenaidah Sadar 7300 Kotchandpur Kotchandpur 7330 Maheshpur Maheshpur 7340 Naldanga Hatbar Bazar 7351 Naldanga 7350 Shailakupa Kumiradaha 7321 Shailakupa 7320