Average GPS coordinates for Honmachi Postcode location: 32.851, 130.123. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Honmachi on map:

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Listing cities & postcodes (3):
>> Nagasakiken, 854-0012 Honmachi, Isahayashi, GPS coordinates: 32.8447,130.055
>> Nagasakiken, 855-0062 Honmachi, Shimabarashi, GPS coordinates: 32.8016,130.3537
>> Nagasakiken, 856-0832 Honmachi, Oomurashi, GPS coordinates: 32.9069,129.9592