The geolocation bit seems to be one of the last things that you can't really find for free (especially if you want one that works worldwide). In the same vein,

The geolocation bit seems to be one of the last things that you can't really find for free (especially if you want one that works worldwide). In the same vein, good luck finding a free database or service that allows customers to look up the full address from the post code at least in the UK. The amount of constant updates required to keep it up to date is the kind of work prohibitive to most oss developers.