CITY & SETTLEMENT
Kuroiwa Area Codes and Postal Codes
Niigata · Japan
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Kuroiwa Postal Codes
Niigata Ken · Higashikambara Gun · JP
Map of Kuroiwa
Local time & call planner
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Kuroiwa Time Zone
- IANA time zone
- Asia/Tokyo
- Current UTC offset
- +09:00
- Daylight saving time
- Not in effect
Map & location
Latitude and Longitude
- Latitude
- 37.69391
- Longitude
- 139.3813
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International dialing format
+81 [national number]
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Local facts
- Modelled terrain elevation
- 64 m
Names & history
Names, translations and spelling variants
Other spellings
- Kuroiwa
Japanese
- 黒岩