NCOALinkTM and LACS?
NCOALinkTM is a process that matches a file of names and addresses to the United States Postal Service licensed NCOALinkTM database comprised of 160+ million records of individual, family and business moves. The LACS (Locatable Address Conversion System) is a United States Postal Service licensed database. As of September 22nd 2004 the LACS database contains approximately 5.3 million records that enables you to update your mailing lists when addresses have been converted by local authorities, i.e. renumbering of houses or addresses converted from rural style to city style addresses, usually as a result of a 911 conversion.