Use this page to confirm that 340-0193
belongs to コスモ石油 （株） 中央研究所 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
340-0193 identifier area.
Geographic & Administrative Context
The postal identifier 340-0193 is under the
regional jurisdiction of
Japan.
Within this territory, it is specifically managed as part of the
Saitama Ken » Satte Shi » コスモ石油 （株） 中央研究所 administrative chain, ensuring precise logistical and geographic synchronization with official geocoded
registries.
Nearby postal code lookups
Compare 340-0193 with adjacent identifiers in
Japan. These links keep the local code range connected without
loading a large directory table.