DATADAPTIVE (logo)
Draw an area on the map and this tool will return a list of postcodes inside the area. (In Great Britain only, and limited to geographic areas of up to 15 sq km.) To use the tool:

  1. find a location on the map,
  2. click the Polygon button,
  3. draw an area on the map by clicking or tapping, and
  4. click the Postcodes button.