Postal Codes for Koizumi, Gumma Ken
The postal codes for Koizumi, Gumma Ken, Japan (2 codes, e.g. 370-1114). With map location and coordinates.
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The postal codes for Koizumi, Gumma Ken, Japan (2 codes):
| Postal code | Place | County / area | Coordinates |
|---|---|---|---|
| 370-1114 | Koizumi | Sawa Gun | 36.258, 139.06 |
| 377-0806 | Koizumi | Agatsuma Gun | 36.52, 138.982 |
‹ All postal codes in Gumma Ken
Frequently asked questions
What is the postal code of Koizumi?
Koizumi has 2 postal codes; the first is 370-1114. They are all listed above with their areas.
Why does Koizumi have more than one postal code?
Larger towns and cities are split into several postal-code areas, each serving a different neighbourhood, PO-box range or large organisation.