Imagine if you had a team of direct marketing experts working with you to increase the effectiveness of your direct mail…giving you valuable tips and guidance that boosted your response rates, saved you money, and helped you grow your business like never before.

Now you can put the experts to work for you -
by joining the Postal Customer Council (PCC) of Providence

For a modest fee that will pay for itself many times over, you’ll have face-to-face access to a renowned group of Postal executives and industry experts. They’ll be at your service as they pass along their knowledge, experience, and wisdom to you – enabling you to:

  • Tap into some of the best minds in direct marketing to get ideas for your direct mail campaigns and maximize the impact of your mailings
  • Hear all the latest USPS regulations and requirements – so you can always stay current and take advantage of discounts that are available to you
  • Participate in an engaging forum where you can discuss and resolve local mailing issues with your local postmaster
  • Attend seminars, webinars, and meetings for revenue-generating and cost-saving ideas
  • Network, make connections, and develop relationships that will increase your knowledge

USPS PostalPro

News from PostalPro.
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 complete data files of each list found online via Postal Explorer® at https://pe.usps.com. Updates to the Labeling Lists are also published in the Postal Bulletin.
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This file is the EWS production file and is updated weekly. This file contains the Early Warning System data file for the CASS™ and MASS™ certification process.
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Z4 Info File
PostalPro 01/02/2026 07:00
A downloadable ZIP file containing information related to the Z4 Info File
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The Excel spreadsheet lists ZIP Codes with the associated Area and District Codes.
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This spreadsheet contains the UAA statistics for December 2025.
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