Home Postcode finder QLD Jericho Jericho postcode QLD Jericho is a locality in Queensland covered by postcode 4728. Postcode 4728 State or territory Queensland (QLD) Region Central QLD Add a free Jericho business listing More business listings in Jericho Businesses in JerichoJericho State SchoolPasteur St · 07 46514162 Common questionsWhat is the postcode for Jericho?Jericho, QLD has the postcode 4728.What state is Jericho in?Jericho is in Queensland (QLD).Does postcode 4728 cover more than one suburb?Yes. Postcode 4728 covers 4 localities, so the postcode alone does not identify Jericho. Browse other postcodes in Queensland, or widen the search to every Australian postcode.