National Zone Charts Matrix
The National Zone Charts Matrix was developed to assist mailers in applying the proper postage rates to a mailpiece. Postage rates for zoned mail are based on mailpiece weight and the distance the mailpiece travels using these zone assignments.
Who is National Zone Charts Matrix for?
The National Zone Charts Matrix assists 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).
What is the National Zone Charts Matrix?
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 where the mailpiece is delivered to the addressee (destination). Postage rates for certain classes of mail are based on mailpiece weight as well as the distance the mailpiece travels. Please note, the matrix does not contain postage rates, only zone information.
Tech Guides 03/01/2015
This document contains information about the technical guide for ISC Zone Chart.
Data Files 01/01/2014
Download this sample Zone Chart and Exceptions Test File to help prepare you for the additional files.
This presentation is about Zone 9 and 5-Digit ZIP Code Exceptions.
Tech Guides 12/19/2018
This guide details technical information about the National Zone Charts Matrix.
Applications/ Forms 06/28/2017
This order form is used to subscribe to the National and International Service Center (ISC) Zone Charts Matrix & Labeling Lists Products.
For more information about National Zone Charts, please contact Address Improvement and Administrative Support at 800-238-3150 or firstname.lastname@example.org.