jericho postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Jericho Jericho local listingsThe suburb of Jericho is located in QLD and has a postcode of 4728. Free jericho business listing! 1Jericho State SchoolPasteur St 07 46514162 View more business listings in jericho Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.