Home Postcode finder SA Meribah Meribah postcode SA Meribah is a locality in South Australia covered by postcode 5311. Postcode 5311 State or territory South Australia (SA) Region SA Outer Suburbs Add a free Meribah business listing Be the first listing in Meribah Common questionsWhat is the postcode for Meribah?Meribah, SA has the postcode 5311.What state is Meribah in?Meribah is in South Australia (SA).Does postcode 5311 cover more than one suburb?Yes. Postcode 5311 covers 13 localities, so the postcode alone does not identify Meribah. Browse other postcodes in South Australia, or widen the search to every Australian postcode.