Average GPS coordinates for Umuikea Postcode location: 5.219, 7.346. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Umuikea on map:

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Listing cities & postcodes (2):
>> Abia, 451112 Umuikea, Isiala Ngwa South, GPS coordinates: 5.25832, 7.37503
>> Abia, 453111 Umuikea, Osisioma, GPS coordinates: 5.17880, 7.31605