Home Postcode finder SA Port Germein Port Germein postcode SA Port Germein is a locality in South Australia covered by postcode 5495. Postcode 5495 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Port Germein business listing More business listings in Port Germein Businesses in Port GermeinPort Germein Primary School25-35 Fifth St · 08 86345230 Common questionsWhat is the postcode for Port Germein?Port Germein, SA has the postcode 5495.What state is Port Germein in?Port Germein is in South Australia (SA).Does postcode 5495 cover more than one suburb?Yes. Postcode 5495 covers 6 localities, so the postcode alone does not identify Port Germein. Browse other postcodes in South Australia, or widen the search to every Australian postcode.