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Position: Post-code.net.au > SA > Letter M > MOUNT OBSERVATION >
Mount Observation SA postcode
Postcode of MOUNT OBSERVATION (SA) is 5255. Below you can find map of MOUNT OBSERVATION, or look up other postcodes in South Australia or other Australian states. If MOUNT OBSERVATION's postcode is duplicated, and other places have same postal code number, you can use our postcode searcher by number 5255.
Notice: Postcodes in SA with range from 5800—5999 (LVRs and PO Boxes only)