Hacker News new | ask | show | jobs
by ZeroGravitas 3726 days ago
But there are open alternatives that OpenStreetMap draws on.

http://wiki.openstreetmap.org/wiki/WikiProject_UK_Postcodes

Maps.me now lets you edit OpenStreetMap directly, so you should be able to add your own postcode directly. I don't know what kind of UI they've added, this can get kind of deep, but nothing that someone reading HN can't figure out.