Coordinate GPS medie per codice postale 430273: 6.158, 6.785

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lista delle città :
>> Onitsha 430273, Anambra, Onitsha, GRA I, coordinate GPS: 6.15800, 6.78450
>> Onitsha 430273, Anambra, Onitsha, GRA II, coordinate GPS: 6.15800, 6.78450
>> Onitsha 430273, Anambra, Onitsha, GRA III, coordinate GPS: 6.15800, 6.78450