Average GPS coordinates for Garko Postcode location: 9.926, 11.186. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Garko on map:

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Listing cities & postcodes (2):
>> Gombe, 771104 Garko, Akko, GPS coordinates: 10.13524, 11.14513
>> Gombe, 770108 Garko, Shongom, GPS coordinates: 9.71610, 11.22725