sandgate postcode nswst Home ›› Postcode Finder ›› NSWST ›› Sandgate Sandgate local listingsThe suburb of Sandgate is located in NSW and has a postcode of 2304. Free sandgate business listing! 1PCS Measurement3 Mangrove Rd 02496822552Zokal Safety Australia5 Friesian Close 2496096113Wilson & Oliver Engineering Pty Ltd7 Ayrshire Crs 0249671166 View more business listings in sandgate Search and find other Postcodes in New South Wales or widen the search to Postcodes in Australia.