Postal address
Koyo, Nagaoka Shi
The postal code of Koyo, in Nagaoka Shi (Niigata Ken, Japón), is 940-2015. Include it in your shipments and forms.
Location
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Koyo
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Frequently asked questions
What is the postal code of Koyo?
The main postal code of Koyo (Nagaoka Shi, Japón) is 940-2015.