katoomba postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Katoomba Katoomba local listingsThe suburb of Katoomba is located in NSW and has a postcode of 2780. Free katoomba business listing! 1Katoomba High School42-84 Martin St 02 478226222Katoomba North Public SchoolBarton St 02 478227433Katoomba Public School10-18 Merriwa St 02 47821226 View more business listings in katoomba Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.