karratha postcode wa Home ›› Postcode Finder ›› WA ›› Karratha Karratha local listingsThe suburb of Karratha is located in WA and has a postcode of 6714. Free karratha business listing! 1St Luke's CollegeRosemary Rd 08 914410812St Paul's Primary SchoolWellard Way 08 918516673M Joyce Crane HireLot 3911 Coolawanyah Road 1300956923 View more business listings in karratha Search and find other Postcodes in Western Australia or widen the search to Postcodes in Australia.