Average GPS coordinates for Idoni Postcode location: 5.513, 6.251. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Idoni on map:

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Listing cities & postcodes (1):
>> Delta, 334113 Idoni, Isoko North, GPS coordinates: 5.51331, 6.25093