You could probably set up a rudimentary version of the service this influx of users is looking for in the time it took to write this article. Just grab the lat/long of each area code in the US off of wikipedia and there you go at least it's something. No it's not current position or anything like that but IP geolocation is just as imperfect when it's not based on triangulation. Case in point google has plenty of IPs that geolocate to mountain view but point to machines that are in Asia.