Lookup workbench

Postal code lookup with data cards, map context, and export.

Search by country plus postal code, city, county, or region. Compare matches, inspect key facts, review nearby areas, and export the selected record.

Ready for a reference lookup

Searching the generated GeoNames shard index.

Postal result areaCoordinate preview based on ZIP centroids; not official boundaries.

Run a lookup to see source confidence, coverage, and nearby-record signals.

Selected record confidence

Distance and map positions use postal centroid approximations. Source coverage and accuracy vary by country.

Open a shareable entity page, export the radius set, or run the same reference model across a CSV file.

What data does this search?

The lookup reads generated GeoNames postal shards published with the site. Coverage and precision vary by country.

Is the radius an official boundary?

No. Radius and map display use centroid distance and are suitable for approximate data review only.

What can I export?

The selected postal record and nearby radius rows export as CSV or JSON.