There has been big media coverage recently about the effects of the deregulation of directory enquiries. The bigger ones seem to charge more because they are more well known, the smaller ones aren't known at all because of the confusing amount of different numbers to remember. One of the nets best kept secrets is a couple of the companies which operate pay-for telephone directory enquiries also run a free service on the net saving you (or your company) plenty of money in the long run.