Use this page to confirm that 101-8054
belongs to 株式会社 集英社 私書箱１９号 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
101-8054 identifier area.
Geographic & Administrative Context
The postal identifier 101-8054 is under the
regional jurisdiction of
Japan.
Within this territory, it is specifically managed as part of the
Tokyo To » Chiyoda Ku » 株式会社 集英社 私書箱１９号 administrative chain, ensuring precise logistical and geographic synchronization with official geocoded
registries.
Nearby postal code lookups
Compare 101-8054 with adjacent identifiers in
Japan. These links keep the local code range connected without
loading a large directory table.