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2. Postal address verification - Wikipedia

   en.wikipedia.org/wiki/Postal_address_verification

   Postal address verification. Postal address verification (also known as address, address validation, address verification and CASS certification [1]) is the process used to check the validity and deliverability of a physical mailing address. According to the United States Postal Service, an address is valid (or mailable) if it is CASS-certified ...

3. National Change of Address - Wikipedia

   en.wikipedia.org/wiki/National_Change_of_Address

   National Change of Address (NCOALink) is "a secure dataset of approximately 160 million permanent change-of-address (COA) records consisting of the names and addresses of individuals, families and businesses who have filed a change-of-address with the USPS". [1] It is a postal address verification system maintained by the United States Postal ...

4. Locatable Address Conversion System - Wikipedia

   en.wikipedia.org/wiki/Locatable_Address...

   Locatable Address Conversion System ( LACS) is a service offered by the United States Postal Service to update mailing addresses when a street is renamed or the address is updated for 911. In the case of 911, the address is changed from a rural route format to an urban/city route format. E.G. RR 2 BOX 8, SOME CITY, TX would become 2601 BELMONT ...

5. Coding Accuracy Support System - Wikipedia

   en.wikipedia.org/wiki/Coding_Accuracy_Support_System

   The Coding Accuracy Support System (CASS) enables the United States Postal Service (USPS) to evaluate the accuracy of software that corrects and matches street addresses.CASS certification is offered to all mailers, service bureaus, and software vendors that would like the USPS to evaluate the quality of their address-matching software and improve the accuracy of their ZIP+4, carrier route ...

6. Address Management System - Wikipedia

   en.wikipedia.org/wiki/Address_Management_System

   Address Management System. Address Management System (AMS) is the United States Postal Service master database of deliverable addresses. Address-checking tools using AMS provide address standardization, as well as city/state and ZIP Code lookup features. [1]

7. List of ZIP Code prefixes - Wikipedia

   en.wikipedia.org/wiki/List_of_ZIP_Code_prefixes

   Placeholders for areas with no proper zip code or addresses: 001 Destinations outside U.S. 002 Destinations outside U.S. 003 Not in use: 004 Destinations outside U.S. 005 NY Holtsville IRS: 006 PR San Juan West: 007 PR San Juan East: 008 VI† Virgin Islands: 009 PR San Juan Main: 010 MA† Springfield Vicinity: 011 MA*† Springfield Main: 012 ...