Postal address
Koizumi, Agatsuma Gun
The postal code of Koizumi, in Agatsuma Gun (Gumma Ken, Japón), is 377-0806. 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 (Agatsuma Gun, Japón) is 377-0806.