Average GPS coordinates for Iwano Postcode location: 32.736, 130.799. (Notice: some coordinates are "GEO located" from street addresses. These numbers may be inaccurate. With this map you can check the coordinates.). Iwano on map:

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Listing cities & postcodes (4):
>> Kumamotoken, 861-0136 Iwano, Kamotogun'Uekimachi, GPS coordinates: 32.9112,130.6995
>> Kumamotoken, 861-0603 Iwano, Kamotogunkahokumachi, GPS coordinates: 33.1185,130.686
>> Kumamotoken, 861-4413 Iwano, Shimomashikigunchuuoumachi, GPS coordinates: 32.6108,130.823
>> Kumamotoken, 868-0701 Iwano, Kumagunmizukamimura, GPS coordinates: 32.305,130.9865