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Address Management System
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<p>Address Management System (AMS) is the <a href="/facts/United_States_Postal_Service/1Je8qAHF">United States Postal Service</a> master database of deliverable addresses. Address-checking tools using AMS provide <a href="/facts/Postal_address_verification/d2yw4b5d">address standardization</a>, as well as city/state and <a href="/facts/ZIP_Code/PHtdY0d4">ZIP Code</a> lookup features. </p><p>Business mailers use the USPS Address Management System:-[e correct ZIP Codes. City/state lookup services use AMS to provide the city and state corresponding to any given ZIP Code. </p><p>AMS is also a general term describing a technological solution for managing street addressing. </p>