Postcode 5671 This postcode covers more than one locality. Which one are you after? Colley South Australia LGA: Streaky Bay Baird Bay South Australia LGA: Streaky Bay Calca South Australia LGA: Streaky Bay Mortana South Australia LGA: Streaky Bay Port Kenny South Australia LGA: Elliston Tyringa South Australia LGA: Streaky Bay Witera South Australia LGA: Streaky Bay