lowanna postcode nswdl Home ›› Postcode Finder ›› NSWDL ›› Lowanna Lowanna local listingsThe suburb of Lowanna is located in NSW and has a postcode of 2450. Free lowanna business listing! 1Lowanna Public SchoolCoramba Rd 02 66545243 View more business listings in lowanna Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.