Jul 13 2026 | ArticlesUSPS API Changes in 2026 – What They Mean for Address QualityUSPS retired Web Tools in January 2026 and replaced them with rate-limited REST APIs. For high-volume address cleansing, CASS-certified software may be the more stable choice. Firstlogic customers experience no impact from the new USPS API restrictions because Firstlogic does not depend on USPS’s real-time APIs to perform address verification.
Jun 30 2026 | ArticlesLACSLink and SuiteLink ExplainedYou ran CASS. You enabled DPV. Your match rate looks healthy — and mail still comes back. Two USPS maintenance products, LACSLink and SuiteLink, exist specifically for addresses that pass basic validation but fail in the real world because the secondary story is wrong: an outdated street number, a renamed road, or a missing apartment…
Mar 31 2026 | ArticlesWhy Real-Time Address Verification is Essential for Domain RegistrarsThe digital real estate market is booming, and domain registrars are the gatekeepers. However, with the rapid pace of new domain registrations comes a significant compliance hurdle: ensuring that the people registering these domains are who they say they are, and that they reside where they claim to live. For domain registrars, collecting a valid,…
Jan 26 2026 | ArticlesThe USPS Early Warning System (EWS) for Address QualityFor organizations managing large-scale mailing lists, the difference between a deliverable address and a returned mail piece often lies in the timing of data updates. The United States Postal Service (USPS) Early Warning System (EWS) is a tool designed to close the data gap for new residential and commercial developments. What is the Early Warning…
Jan 25 2026 | ArticlesA Business Guide to NCOAFor large organizations, effective use of NCOA reduces waste, ensures regulatory compliance, and maintains critical communication channels with customers. This guide covers the operational, technical, and legal realities of integrating NCOA into your business workflow.
Jan 20 2026 | ArticlesAddress Validation for Insurance Audit-readiness: A Brief PrimerFor insurance carriers operating in the United States, the ability to deliver legally binding notices — such as cancellations, non-renewals, and adverse actions — is a fundamental operational requirement. While the digital age has introduced electronic delivery, state insurance codes and NAIC model laws primarily anchor “legal notice” in the United States Postal Service (USPS)…
Nov 20 2025 | ArticlesA Business Guide to GIS Data ManagementIntroduction Geographic Information Systems (GIS) have moved from niche mapping tools to core infrastructure that supports strategy, operations, risk management, marketing and site planning. As organizations collect more location data from field workers, IoT sensors, mobile apps and external providers, the way they manage GIS data often becomes a limiting factor. Poorly managed spatial data…
Oct 24 2025 | ArticlesConnecticut Changes from Counties to Planning RegionsConnecticut’s nine planning regions are now recognized by the Census Bureau as county equivalents for statistical and geospatial products. This change replaced the state’s eight legacy counties beginning in 2022-2023 Census releases and now appears in TIGER/Line, ACS, and other federal datasets. What Changed and When Decision: On June 6, 2022, the Census Bureau designated…
Aug 26 2025 | ArticlesSecondary Address Unit Designators – Official List and FAQsIn U.S. addresses, elements like “Apartment” or “Suite” are referred to as secondary address unit designators. Here we provide a list of these designators and their official USPS abbreviations.
Jul 28 2025 | ArticlesUnderstanding US Military AddressesMilitary addresses in the United States are designed to ensure the accurate and timely delivery of mail to service members stationed domestically and internationally. These addresses are part of a special system maintained by the United States Postal Service (USPS) in cooperation with the Department of Defense (DoD). This system allows military mail to be…
Jun 06 2025 | ArticlesCMRA – Commercial Mail Receiving AgencyWhen validating addresses for mail delivery, ensuring accuracy and reliability is essential. One critical data point provided by United States Postal Service (USPS) data is CMRA. This article explains what CMRA stands for, its purpose, why it matters, and how it can be identified.
May 30 2025 | ArticlesA Guide to Unique Zip CodesWhile most ZIP codes correspond to geographic areas or PO boxes, unique ZIP codes are five-digit codes assigned to single, high-volume mail recipients – such as large corporations, government agencies, or landmark buildings. Understanding these codes is critical for any organization handling U.S. address data, as they influence deliverability, validation, and internal mail routing.
May 28 2025 | ArticlesWhat is a Census Block?A census block is the smallest geographic unit used by the U.S. Census Bureau for tabulating decennial census data.
Apr 22 2025 | ArticlesA Business Guide to ISO 20022 Address FormatsThe financial-messaging landscape is in the middle of a multi-year standards migration.
Mar 05 2025 | ArticlesWhat is a US Census Block Group?Block Groups take the data granularity a step further than Census Tracts. As subdivisions of Census Tracts, they typically encompass clusters of contiguous census blocks. With population totals ranging between 600 and 3,000 people, Block Groups enable a closer look at the character of specific neighborhoods. Whether you’re planning social programs or evaluating a site…