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The National Zone Charts Matrix is used to assist mailers in determining the distance that a mailpiece travels based on the ZIP™ Code where the mailpiece enters the mailstream (origination) and the ZIP Code that will deliver the mailpiece to the addressee (destination).

Postage rates for certain classes of mail are based on mailpiece weight as well as the distance a mailpiece travels. Please note, the matrix does not contain postage rates, only zone information. Individual Zone Charts are located on the Postal Explorer website at http://postcalc.usps.gov/ZoneCharts/.

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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