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  2. 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.

  3. National Change of Address - Wikipedia

    en.wikipedia.org/wiki/National_Change_of_Address

    It is a postal address verification system maintained by the United States Postal Service, and access to it is licensed to service providers and made available to mailers. [2] There are six licenses available including Full Service Providers (48 months) and Limited Service Providers (18 months).

  4. 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 ...

  5. 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.

  6. Delivery point - Wikipedia

    en.wikipedia.org/wiki/Delivery_point

    When combined with the ZIP + 4 code, the delivery point provides a unique identifier for every deliverable address served by the USPS. [ 1 ] The delivery point digits are almost never printed on mail in human-readable form; instead they are encoded in the POSTNET delivery point barcode (DPBC) or as part of the newer Intelligent Mail Barcode (IMb).

  7. 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 ...

  8. United States Post Office Department - Wikipedia

    en.wikipedia.org/wiki/United_States_Post_Office...

    Parcel-post service between the U.S. and other countries grew with the signing of successive postal conventions and treaties. While the Post Office agreed to deliver parcels sent into the country under the UPU treaty, it did not institute a domestic parcel-post service for another twenty-five years. [22]

  9. Commercial mail receiving agency - Wikipedia

    en.wikipedia.org/wiki/Commercial_mail_receiving...

    Most business entities are required to register an official mailing address with the state, and that address is part of the public record. [5] A business's use of an invalid address or an inappropriate third party as its official mailing address could result in legal problems, such as the loss of limited liability protection. If a business does ...