Home Postcodes by state WA Secret Harbour Secret Harbour postcode WA Secret Harbour is a locality in Western Australia covered by postcode 6173. Postcode 6173 State or territory Western Australia (WA) Region Wa Subs 3 Sth Rd Council area Rockingham Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Add a free Secret Harbour business listing More business listings in Secret Harbour Suburbs near Secret HarbourStraight-line distance between locality centres.Golden BayWA 6174 · 2.0 kmSingletonWA 6175 · 3.4 kmKarnupWA 6176 · 4.2 kmPort KennedyWA 6172 · 4.8 kmMadora BayWA 6210 · 6.7 kmLakelandsWA 6180 · 7.6 kmSan RemoWA 6210 · 8.7 kmWarnbroWA 6169 · 9.2 kmKeralupWA 6182 · 9.2 kmStake HillWA 6181 · 9.9 kmHopelandWA 6125 · 10.0 kmParklandsWA 6180 · 10.3 kmDistances to every suburb around Secret Harbour Businesses in Secret HarbourCJ Moves6 Milos Mews, Secret Harbour WA 6173, Australia · 0466899045Comet Bay College2 Allatoona Ave · 08 95538100Comet Bay Primary School85 Miltona Drive · 08 95249033 Common questionsWhat is the postcode for Secret Harbour?Secret Harbour, WA has the postcode 6173.What state is Secret Harbour in?Secret Harbour is in Western Australia (WA).What council is Secret Harbour in?Secret Harbour is in the Rockingham local government area.Does postcode 6173 cover more than one suburb?No. Postcode 6173 covers Secret Harbour only, which is unusual - most Australian postcodes cover several localities.What suburbs are near Secret Harbour?The closest are Golden Bay (2.0 km), Singleton (3.4 km), Karnup (4.2 km), Port Kennedy (4.8 km) and Madora Bay (6.7 km). Distances are straight lines between locality centres. Browse other postcodes in Western Australia, or widen the search to every Australian postcode.