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Position: Post-code.net.au > SA > Letter H > HARDWICKE BAY >
Hardwicke Bay SA postcode
Postcode of HARDWICKE BAY (SA) is 5575. Below you can find map of HARDWICKE BAY, or look up other postcodes in South Australia or other Australian states. If HARDWICKE BAY's postcode is duplicated, and other places have same postal code number, you can use our postcode searcher by number 5575.
Notice: Postcodes in SA with range from 5800—5999 (LVRs and PO Boxes only)