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USPS

What is a Vacant Address?

Discover the definition and significance of vacant addresses. Learn how vacancy flags impact business and choose the right address solution for your...

USPS

What is a No-Stat Address?

The USPS considers no-stats as inactive addresses that are unlikely to receive mail, and sending mail to an inactive address costs valuable time and...

USPS

Military Addresses

Learn the basics of U.S. military addresses to ensure smooth & accurate delivery of letters and packages to those who serve

USPS

Early Warning System (EWS)

The Early Warning System (EWS) flags streets not yet included in ZIP+4 reference data and makes sure that addresses are not inaccurately coded or...