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

News from PostalPro.
These release notes summarize new features and enhancements implemented in deployments to the IV-MTR application.
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The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.
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This document provides a list of active IV-MTR work to be as well as items completed in FY25. *Please note, Postal Pro is the only source for a current IV-MTR Development log as updates will be made on an ongoing basis.
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The AZI table lists each five-digit ZIP Code™ and is an indicator of the type of processing that typically takes place on letter mail destined for each ZIP Code. Each number in the file is a ZIP Code appended with a numeric zone indicator. The five numeric indicators are as follows: Two Pass Zones: Automated two-step sector/segment at mail processing facilities876 Carrier Route Sort Zones: Automated incoming secondary carrier route sorting at plantsCarrier Route Barcode Sorter (CSBCS) Zones: Automated walk sequence sorting on CSBCS machines at delivery unitsDelivery Barcode Sorter (DBCS) Zones: Automated walk sequence sorting on DBCS machines at...
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This spreadsheet contains the UAA statistics for January 2026.
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