A method for providing address change information to subscribers wherein a national postal service maintains a master change of address database that is updated on an intermittent basis by the national postal service includes the steps of: (a) receiving intermittent updates to the master change of address database and incorporating the updated change of address information into a computer-searchable, enhanced change of address database, (b) receiving change of address data from sources other than the national postal service and postal patrons who are submitting address change information, (c) incorporating the change of address information received from such sources into the enhanced change of address database; and (d) distributing information from the enhanced database to one or more of the subscribers.