Average GPS coordinates for Iwoama Postcode location: 4.52, 7.341. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Iwoama on map:

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Listing cities & postcodes (2):
>> Rivers, 503101 Iwoama, Bonny, GPS coordinates: 4.51229, 7.18036
>> Rivers, 503103 Iwoama, Opobo-Nkoro, GPS coordinates: 4.52694, 7.50158