NCOA – National Change of Address File
Compiled by the Royal Mail, using forms submitted to request the redirection of mail. It comprises new and old addresses and grows at a rate of approximately 100,000 per month. The file contains records from early 1994 to date.
Even after the householder’s contract for forwarding elapses, the historic entry will remain on the NCOA register for use within this service. An opt-out question on the redirection form allows the householder to instruct Royal Mail not to allow their details to be used within the NCOA file.
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