Postal Code 78440 in Lainville-en-Vexin, Mantes-la-Jolie, Yvelines
Verified postal code reference for 78440 in Lainville-en-Vexin, France. Includes locality context, administrative hierarchy, and approximate centroid coordinates for validation and integration workflows.
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Geographic & Administrative Context
The postal identifier 78440 is under the regional jurisdiction of France. Within this territory, it is specifically managed as part of the ile-de-france » yvelines » mantes-la-jolie » lainville-en-vexin administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.