MapIt is a service that maps UK postcodes and geographical points to administrative areas. It’s useful for anyone who has a postcode or co-ordinates of a point in the UK, and needs to find out what region, constituency, or council it lies within. It’s also great for looking up the shapes of all those boundaries.
Charitable, low volume use of this service is free –
read more.
You can
download the source
on Github.
Need a licence?
Read more.