Average GPS coordinates for Allenton Postcode location: -43.893, 171.744. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Allenton on map:

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Listing cities & postcodes (2):
>> 7700 Allenton, GPS coordinates: -43.898,171.745
>> 7742 Allenton, GPS coordinates: -43.8874,171.7427