Postal address
Koshin, Niigata Shi
The postal code of Koshin, in Niigata Shi (Niigata Ken, Japón), is 950-2023. Include it in your shipments and forms.
Location
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Koshin
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Frequently asked questions
What is the postal code of Koshin?
The main postal code of Koshin (Niigata Shi, Japón) is 950-2023.