Average GPS coordinates for Seacliff Postcode location: -35.033, 138.525. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Seacliff on map:

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Listing cities & postcodes (1):
>> South Australia, 5049 Seacliff, SA SUBS NEAR 1, GPS coordinates: -35.0333,138.525