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NCOA Link Services
For more MAILABLE names and postal discounts
  • To qualify for postal discounts, all First Class and Standard Mail must be updated with USPS-approved cleansing within 95 days prior to your mailing date.
  • Using the USPS* National Change of Address Service (NCOA*), CRK will insure mail deliverability to your best customers and hottest prospects after they’ve moved. We use a direct link to the USPS* Database of Permanent Change-of-Addresses and Undeliverable Locations which is updated weekly.


    • Even more mailable names with our Proprietary Change Of Address Service
  • Did you know that one out of four people who move DO NOT notify the Post Office? That’s over 10 million households! CRK’s PCOA* process, in addition to NCOA, finds millions of lost records every year and retrieves their correct new addresses.
*Have a mailing list question, marketing IT problem or need a Glossary of Terms?
Send us a note
I have NEVER had any problems working wiht CRK, and have continually, throughout the years, received above and beyond the level of service than was expected or promised. You have a very good team over at CRK and I am very pleased that SC USA has the opportunity to work with CRK more and more. (Marketing Manager from Sun Cholrella USA)