Gjennomsnittlig GPS-koordinater for postnummer 57030: 42.779, 10.179

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Notering byer:
>> Marciana 57030, Toscana, Livorno, GPS-koordinater: 42.793,10.1687
>> Poggio 57030, Toscana, Livorno, GPS-koordinater: 42.7873,10.1835
>> Pomonte 57030, Toscana, Livorno, GPS-koordinater: 42.7485,10.1212
>> Procchio 57030, Toscana, Livorno, GPS-koordinater: 42.787,10.2437