Coordinate GPS medie per codice postale 20304: 43.325, -1.775

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lista delle città :
>> Bidasoa 20304, Pais Vasco, Guipúzcoa, coordinate GPS: 43.3102,-1.7603
>> Irun 20304, Pais Vasco, Guipúzcoa, coordinate GPS: 43.339,-1.7894