Average GPS coordinates for Umunka Postcode location: 5.359, 7.412. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Umunka on map:

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Listing cities & postcodes (1):
>> Abia, 451106 Umunka, Isiala Ngwa North, GPS coordinates: 5.35895, 7.41205