Postal Zip Codes (postcode) for Jhalokati District Posted on December 4, 2013 by infodesk Postal Zip Codes (postcode) for Jhalokati District Thana/Upazila within Jhalokati District are: Jhalokati Sadar, Kathalia, Nalchhiti. The following table contains post codes of various sub post office in Jhalokathi district. Thana Sub Office Post Code Jhalokati Sadar Baukathi 8402 Gabha 8403 Jhalokati Sadar 8400 Nabagram 8401 Shekherhat 8404 Kathalia Amua 8431 Kathalia 8430 Niamatee 8432 Shoulajalia 8433 Nalchhiti Beerkathi 8421 Nalchhiti 8420 Rajapur Rajapur 8410