Gjennomsnittlig GPS-koordinater for postnummer 434221: 6.158, 6.785
Notering byer:
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Onitsha 434221,
Anambra, Onitsha, Odume Layout I, GPS-koordinater: 6.15800, 6.78450
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Onitsha 434221,
Anambra, Onitsha, Odume Layout II, GPS-koordinater: 6.15800, 6.78450