Gjennomsnittlig GPS-koordinater for postnummer 80077: 40.733, 13.953

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Notering byer:
>> Ischia 80077, Campania, Napoli, GPS-koordinater: 40.7352,13.9481
>> Ischia Ponte 80077, Campania, Napoli, GPS-koordinater: 40.7319,13.9596
>> Ischia Porto 80077, Campania, Napoli, GPS-koordinater: 40.7333,13.95
>> Ischia San Michele 80077, Campania, Napoli, GPS-koordinater: 40.7335,13.9526
>> Piedimonte D'Ischia 80077, Campania, Napoli, GPS-koordinater: 40.7335,13.9526
>> Sant'Antuono D'Ischia 80077, Campania, Napoli, GPS-koordinater: 40.7335,13.9526