Use this page to confirm that 637400
belongs to Langzhong inside
China. 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
637400 identifier area.
Geographic & Administrative Context
The postal identifier 637400 is under the
regional jurisdiction of
China.
Within this territory, it is specifically managed as part of the
Sichuan » Nanchong Shi » Langzhong Shi » Langzhong administrative chain, ensuring precise logistical and geographic synchronization with official geocoded
registries.
Nearby postal code lookups
Compare 637400 with adjacent identifiers in
China. These links keep the local code range connected without
loading a large directory table.