Home Postcodes by state SA 5655 Postcode 5655 5655 is the postcode for 4 localities in SA: Bockelberg, Kaldoonera, Poochera and Pygery. Localities with postcode 5655BockelbergSAKaldooneraSAPoocheraSAPygerySA Postcode 5655 State or territory South Australia (SA) Localities 4 Council area Streaky Bay Council area based on Australian Bureau of Statistics data (ASGS Edition 3), CC BY 4.0. Postcode 5654 · Postcode 5660