landsborough postcode qldga Home ›› Postcode Finder ›› QLDGA ›› Landsborough Landsborough local listingsThe suburb of Landsborough is located in QLD and has a postcode of 4550. Free landsborough business listing! 1Landsborough State School41 Gympie St North 07 543627772Transportable Shade Sheds PTY LTD77 Caloundra St 1300 667 4333Saver677 Caloundra St 1300 667 433 View more business listings in landsborough Search and find other Postcodes in Queensland or widen the search to Postcodes in Australia.