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The Labeling Lists Data Product assists mailers with presorting mail. It provides active, originating 3- and 5-digit ZIP Code data along with their destination locations [including city/state/ZIP Code] for labeling purposes.

The product contains a complete set of data

files for each list available online via Postal Explorer at http://pe.usps.gov/text/Label
ingLists/Labeling_Lists.htm.
Updates to the Labeling Lists are published in the Postal Bulletin.

Contact Information:

Important Updates

On the Move

The National Customer Support Center (NCSC) is moving its office location. Starting Dec. 1, the new address for the NCSC will be:



NATIONAL CUSTOMER SUPPORT CENTER
UNITED STATES POSTAL SERVICE
225 N HUMPHREYS BLVD STE 501
MEMPHIS TN 38188-1001



The NCSC works closely with the mailing industry, vendors and internal postal customers to improve address quality. The USPS headquarters office of Address Management also is located at the NCSC.



Numerous USPS publications, forms, brochures, etc. currently provide the existing address for the NCSC – all of which will need to be updated, including those on usps.com and other postal websites. Telephone numbers for all NCSC personnel and program support groups will remain the same.








1-800-238-3150

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