Understanding Address Quality Management
Address Hygiene and Data Quality
This hub brings together GrayHair’s address quality management thinking, from foundational concepts and USPS tools to edge cases, business risk, and hands‑on training.
The content reflects real‑world thinking, based on decades of working with USPS standards, address data, and production mailing environments.
One principle guides everything here: Nothing is 100%.
Address quality is about managing probabilities, tradeoffs, and risk — not chasing perfection.
Featured Series: Ask Adam
Your Address Quality Questions, Answered
With Adam Collinson, Director of Address Intelligence, GrayHair Software
Concepts & Principles
Foundational ideas, models, and mental frameworks. Examples: accuracy vs. precision, why nothing is 100%, address characteristics.
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USPS Tools & Standards
Explains technical postal tools, services, and data sources (ACS™, NCOALink®, IMb™, etc.).
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Edge Cases & Advanced Challenges
Real-world complexities, exceptions, and scenarios where postal logic breaks.
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Business Risk & Cost
Explores the impact of UAA mail, operational risks, and cost structures.
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Webinars & Resources
Links to recorded sessions, CIPCC webinars, and expert videos.
Address Change Service 101: Turn Postal Data into Actionable Intelligence
Loading the Elevenlabs Text to Speech AudioNative Player... On March 19, 2026, GrayHair Software’s Director of Address Intelligence, Adam Collinson, will join NACUMS Dialogues to deliver a practical overview of Address Change Service (ACS) and explain how higher...
Address Mechanics: Planning Your Trip
https://youtu.be/Mo81z1SyFNI?si=jc-atet6DQ3jTvoT GrayHair Software and The Berkshire Company present an insightful webinar on "Address Mechanics: Planning Your Trip." Just as you always check the tire pressure before an important trip, when it comes to mailing, there...
THE ADDRESS IS THE ASSET: A Foundation for Data Integrity and Operational Excellence
Unlock Operational Excellence: The Address is Your Asset Learn why the seemingly minor detail of address quality is, in fact, a critical indicator of your organization's overall data integrity and a key driver of operational efficiency and customer satisfaction.The...
Training Courses
For information about GrayHair’s Address Quality Management training courses, get in touch today.
About Adam
Adam is one of the postal industry’s leading experts on all aspects of address hygiene and data quality services. For 20+ years, he has brought expert knowledge of how address quality management tools and processes can enhance the postal and business operations of some of the largest operations in the country.
As the industry’s “Address Quality Guru”, he is constantly involved in leading postal initiatives, associations, and work groups including being the MTAC Industry Focus Area Leader (Data, Technology, and Addressing) and AMEE Association Rep. He is also a key speaker at numerous venues such as PCC events, the National Postal Forum and Xplor.
When I entered the Address Quality world over 2.5 decades ago, I was surprised to learn that over 25% of mail submitted to the USPS was undeliverable as addressed, with more than 70% of these issues related to Change of Address. Shockingly, most of this mail still got delivered thanks to the extra efforts of USPS carriers and clerks.
When the address was “close enough,” there was a high probability that the piece would still get delivered consistently. Today, relying on that method is ill-advised and no longer as reliable.
-Adam Collinson, Director of Address Intelligence, GrayHair Software
