Postal address
Koizumi, Sawa Gun
The postal code of Koizumi, in Sawa Gun (Gumma Ken, Japón), is 370-1114. Include it in your shipments and forms.
Location
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Koizumi
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Frequently asked questions
What is the postal code of Koizumi?
The main postal code of Koizumi (Sawa Gun, Japón) is 370-1114.