The National PCC Database is intended for those business mailer representatives who would like to opt-in to receive information on various postal products, services and hot topics that are pertinent to the mailing industry.  Some of the different communication vehicles included:

  • PCC Insider
  • Industry & PCC Alerts
  • Mail Spoken Here
  • National Postal Forum
  • Other mailing industry news

To opt-in, mailing industry representatives should go to the link on the RIBBS site under the PCC Tab at https://ribbs.usps.gov/index.cfm?page=pcc (scroll down to PCC National Database Subscription).

USPS PostalPro

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Z4 Info File
PostalPro 11/28/2025 07:00
A downloadable ZIP file containing information related to the Z4 Info File
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This spreadsheet includes NCOALink statistics from 2007-2024 by licensee type.
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This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ PROD Release 63.0.0.0
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This ZIP file contains the Web Services Description Language (WSDL) and XML Schema Definition (XSD) files for Mail.XML™ TEM Release 63.0.0.0
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