Quoting Brian Fertig <brian at molten.us>: > Buy the LERG. Its was used by large xLEC's to bill and such.. but you can > get what you are look for there.. > http://www.telcordia.com/products_services/trainfo/catalog_details.html#LERG NANPA has some of the data for free: http://www.nanpa.com/nanp1/allutlzd.zip