Use this page to confirm that 379-2398
belongs to 関東開発 株式会社 inside
Japan. For applications, validate the original postal code string
together with the country and administrative hierarchy instead of relying on a global numeric pattern.
Centroid Location: The marker represents the verified geographic centroid for the
379-2398 identifier area.
Geographic & Administrative Context
The postal identifier 379-2398 is under the
regional jurisdiction of
Japan.
Within this territory, it is specifically managed as part of the
Gumma Ken » Midori Shi » 関東開発 株式会社 administrative chain, ensuring precise logistical and geographic synchronization with official geocoded
registries.
Nearby postal code lookups
Compare 379-2398 with adjacent identifiers in
Japan. These links keep the local code range connected without
loading a large directory table.