Average GPS coordinates for Grand Portage Postcode location: 47.959, -89.699. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Grand Portage on map:

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Listing cities & postcodes (1):
>> Minnesota, 55605 Grand Portage, Cook, GPS coordinates: 47.9591,-89.6989