byabarra postcode nswst Home ›› Postcode Finder ›› NSWST ›› Byabarra Byabarra local listingsThe suburb of Byabarra is located in NSW and has a postcode of 2446. Free byabarra business listing! 1Byabarra Public SchoolComboyne Wauchope Rd 02 65871135 View more business listings in byabarra Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.