Home Postcodes by state SA 5007 Postcode 5007 5007 is the postcode for 5 localities in SA: Bowden, Brompton, Hindmarsh, Welland and West Hindmarsh. Localities with postcode 5007BowdenSABromptonSAHindmarshSAWellandSAWest HindmarshSA Postcode 5007 State or territory South Australia (SA) Localities 5 Council area Charles Sturt Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5006 · Postcode 5008