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  2. Address Management System - Wikipedia

    en.wikipedia.org/wiki/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] Business mailers use the USPS Address Management System:⁠-⁠[e correct ZIP Codes.

  3. Delivery point - Wikipedia

    en.wikipedia.org/wiki/Delivery_point

    The delivery point is usually redundant for post office boxes, since they are typically assigned their own ZIP+4 code, but must nonetheless be assigned a complete DPBC for full postal discounts. The full rules for identifying the delivery point for a given address are specified in the USPS CASS Technical Guide. [2]

  4. House numbering - Wikipedia

    en.wikipedia.org/wiki/House_numbering

    House numbering can be overhauled when a single addressing scheme replaces multiple local addressing schemes. An example from the 19th century is the house renumbering that occurred as part of the Georgetown street renaming in Washington, D.C. [ 32 ] In the 20th century, this occurred in places such as the New York borough of Queens [ 33 ] and ...

  5. 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.

  6. List of postal codes - Wikipedia

    en.wikipedia.org/wiki/List_of_postal_codes

    The postal code refers to the post office at which the receiver's P. O. Box is located. Kiribati: KI: no codes Korea, North: KP: no codes Korea, South: 1 August 2015 KR: NNNNN Previously NNN-NNN (1988~2015), NNN or NNN-NN (1970~1988) Kosovo: XK: NNNNN A separate postal code for Kosovo was introduced by the UNMIK postal administration in 2004 ...

  7. ZIP Code - Wikipedia

    en.wikipedia.org/wiki/ZIP_Code

    A ZIP Code (an acronym for Zone Improvement Plan [1]) is a system of postal codes used by the United States Postal Service (USPS). The term ZIP was chosen to suggest that the mail travels more efficiently and quickly [ 2 ] ( zipping along ) when senders use the code in the postal address .

  8. Postal address verification - Wikipedia

    en.wikipedia.org/wiki/Postal_address_verification

    The standardized address is then compared against the entire list of valid addresses in the Address Management System to determine if it is a valid address. Address validity is based on many different factors, including address renumbering (via the USPS Locatable Address Conversion System) and address completeness. If an exact match is not ...

  9. 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 ...