Draw → Postcode
Find postcodes inside an area
Draw an area to get started
Pick Polygon above and click points on the map. End with a double-click or Enter. You'll get every postcode inside.
Ready — choose Polygon or Rectangle above
Worldwide: UK, US, Canada, Europe (DE/FR/NL/ES/IT/PT/etc.), Asia (JP/IN/SG/KR/etc.), AU, and more.
· UK uses postcodes.io (instant).
· Rest use OSM (~1 q/s).
· Add a
GeoNames key for faster non-UK scans.
Plot postcodes
Paste a list — see them on the map
Paste postcodes
Country hint (helps with ambiguous codes)
No postcodes yet
Paste a list above or upload a CSV, then hit Plot on map. Recognises UK, US and Canadian formats automatically.
Paste or upload, then hit Plot