Average GPS coordinates for postcode 420: -16.384, 45.365

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Listing cities:
>> Ambohipaky 420, Boeny, Mahajanga, GPS coordinates: -16.30428, 45.17277
>> Andranomavo 420, Boeny, Mahajanga, GPS coordinates: -16.67145, 45.50461
>> Soalala 420, Boeny, Mahajanga, GPS coordinates: -16.17776, 45.41909