Postal address
Koyama, Soka Shi
The postal code of Koyama, in Soka Shi (Saitama Ken, Japón), is 340-0045. Include it in your shipments and forms.
Location
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Koyama
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Frequently asked questions
What is the postal code of Koyama?
The main postal code of Koyama (Soka Shi, Japón) is 340-0045.