Here at 180Leads we are the No. 1 resource for consumer mailing lists and business mailing lists in the nation. We Can target your perfect prospect to deliver you the most accurate and reliable sales lead data worldwide. Our database consists of over 290 million consumer & active buyer records and 14 million US business records. We have been helping certain Fortune 500 companies meet their sales goals for over 15 years. Whether your business is large or small, from coast to coast, we can customize a mailing list, telemarketing list or marketing campaign that will deliver results. We have a 98 % accuracy on mailing lists, we scrub our lists against the NCOA(national change of address) once every thirty days. We pull our data from two of the three major credit bureaus, along with fifteen other resources. In regards to telemarketing there is a 87 % accuracy rate, do to people disconnecting there phones, the number then being recycled and put to a new house hold (we can offer you a better accuracy rate on the phones, with our phone verification indicator, but the numbers of prospects will drop). We refresh that information once every 90 days, but do scrub the data against the National DNC(do not call list) once a month.