Postal Code 89-400 in Wiśniewa, Gmina Sępólno Krajeńskie, Powiat sępoleński
Verified postal code reference for 89-400 in Wiśniewa, Poland. Includes locality context, administrative hierarchy, and approximate centroid coordinates for validation and integration workflows.
Continue from postal code 89-400
Use this exact code page together with the parent hub, country directory, and platform tools when you need broader validation or downloadable data.
Return to the parent hub to review nearby localities, other codes, and map context around this identifier.
Move from this exact code into the full country directory when you need broader routing context.
Use the datasets hub when this code needs to be pulled into QA, ETL, or recurring monitoring workflows.
Pair this exact code with lookup routes when you need autocomplete, validation, or ops-side testing.
Technical Data
Spatial Verification Map
Geographic & Administrative Context
The postal identifier 89-400 is under the regional jurisdiction of Poland. Within this territory, it is specifically managed as part of the kujawsko-pomorskie » powiat-sepolenski » gmina-sepolno-krajenskie » wisniewa administrative chain, ensuring precise logistical and geographic synchronization with official geocoded registries.