Average GPS coordinates for Umuahia Postcode location: 5.475, 7.249. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Umuahia on map:

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Listing cities & postcodes (2):
>> Imo, 472112 Umuahia, Ihitte-Uboma, GPS coordinates: 5.63537, 7.35246
>> Imo, 460119 Umuahia, Ngor-Okpala, GPS coordinates: 5.31481, 7.14517