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USPS

Address Management System (AMS) – USPS Definition

The national USPS database of every delivery address with its associated ZIP Code, ZIP+4 code, and city/state name that serves as the foundation of data for all address correction tools.

Address Management System AMS – USPS AMSUSPSZIP usps address management system

Address Management System (AMS)

The national USPS database of every delivery address with its associated ZIP Code, ZIP+4 code, and city/state name that serves as the foundation of data for all address correction tools.