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It explains uniform methods for matching address information with Address Information System (AIS) products and for outputting addresses on mailpieces. The transmittal letter highlights publication updates, including the effective creation of a new Business Addressing Standards section for mailstop code information, and specifies the revision timeline, availability sources, and contact details for comments and questions.",{"@graph":63,"@context":118},[64,80,101],{"@type":65,"itemListElement":66},"BreadcrumbList",[67,71,74,77],{"item":68,"name":69,"@type":70,"position":9},"https://docshare.wps.com","Home","ListItem",{"item":72,"name":10,"@type":70,"position":73},"https://docshare.wps.com/template/",2,{"item":75,"name":51,"@type":70,"position":76},"https://docshare.wps.com/template/general/",3,{"item":78,"name":59,"@type":70,"position":79},"https://docshare.wps.com/template/postal-addressing-standards-publication-28-transmittal-letter/276419/",4,{"url":78,"name":59,"@type":81,"image":82,"author":87,"headline":59,"publisher":90,"fileFormat":93,"inLanguage":57,"description":61,"dateModified":94,"datePublished":95,"encodingFormat":93,"isAccessibleForFree":96,"interactionStatistic":97},"DigitalDocument",{"url":83,"@type":84,"width":85,"height":86},"https://docshare.wps.com/thumbnails/postal-addressing-standards-publication-28-transmittal-letter/276419.png","ImageObject",442,249,{"name":88,"@type":89},"supergirl","Person",{"url":68,"name":91,"@type":92},"DocShare","Organization","application/pdf","2026-09-23","2026-09-15",true,{"@type":98,"interactionType":99,"userInteractionCount":73},"InteractionCounter",{"@type":100},"ViewAction",{"@type":102,"mainEntity":103},"FAQPage",[104,110,114],{"name":105,"@type":106,"acceptedAnswer":107},"What is the purpose of Postal Addressing Standards?","Question",{"text":108,"@type":109},"It standardizes address information to improve mail processing and delivery, reduce undeliverable-as-addressed mail, and support efficiency gains through AIS matching and address output formats.","Answer",{"name":111,"@type":106,"acceptedAnswer":112},"What major content change is noted for the October 2024 revision?",{"text":113,"@type":109},"A new Business Addressing Standards section for mailstop code information was introduced effective October 2023, and the October 2024 update includes an item E street address update.",{"name":115,"@type":106,"acceptedAnswer":116},"Where can Publication 28 be accessed and who should be contacted with questions?",{"text":117,"@type":109},"Publication 28 is available on USPS websites such as Postal Explorer and about.usps.com, and questions can be sent to the USPS Address Services address in Memphis, TN.","https://schema.org",{"og:url":78,"og:type":120,"og:title":59,"og:site_name":91,"og:description":61},"article",{"robots":122,"canonical":78},"index,follow",{"doc_id":124,"site_id":56},276419,1790200804,{"code":4,"msg":5,"data":127},{"doc_id":124,"user_id":128,"nickname":88,"user_avatar":129,"doc_module":9,"category_id":50,"category_name":51,"doc_title":59,"doc_description":61,"doc_content":130,"file_id":131,"file_url":132,"file_type":133,"file_size":134,"view_count":9,"is_deleted":4,"is_public":9,"is_downloadable":9,"audit_status":9,"page_count":135,"language":136,"language_code":57,"site_id":56,"html_lang":57,"table_of_contents":137,"faqs":138,"seo_title":139,"seo_description":61,"update_tm":140,"read_time":141},962088121634,"https://ap-avatar.wpscdn.com/davatar_9964176cb1d06d4a9deccf72a44ae3dc","Postal Addressing Standards  \nPublication 28 October 2024  \nTransmittal Letter  \nA. Explanation. The only change since the November 2022 edition is that mailstop code information from Section 285, Private Mail Addresses, has been moved under the new Section 327, Mailstop Code, in Business Addressing Standards.  \nB. Purpose. Jointly developed by the Postal Service™ and mailing industry, standardized address information enhances the processing and delivery of mail, reducesundeliverable-as-addressed mail, and provides mutual cost reduction opportunities through improved efficiency. The standards include the uniform methods for matching addresses with the information in Address Information System (AIS) products and formats for outputting addresses on mailpieces. This document describes both standardized address formats and content —format describes how the various elements appear on a mailpiece or in an address record, and content describes the characters that constitute the various address elements. This document also outlines the guidelines that govern how address information appears in the AIS products.  \nC. Summary of Changes. Effective October 2023, there is a new Section 327, Mailstop Code, under Business Addressing Standards. The only change in this October 2024 revision is an update to the street address in item E below.  \nD. Availability. Publication 28 is available on the following Web sites:  \n􀂄 The Postal Explorer Web site at [https://pe.usps.gov](https://pe.usps.gov).  \n􀂄 The Postal Service Internet Web site at [https://about.usps.com](https://about.usps.com).  \n􀂄 The Postal Service Intranet on the PolicyNet Web site at [http://blue.usps.gov/cpim](http://blue.usps.gov/cpim).  \nAll previous editions of Publication 28 are obsolete; please recycle all copies.  \nE. Comments and Questions. Send any comments or questions on the content of this handbook to the following address:  \nADDRESS SERVICES  \nU. S. POSTAL SERVICE  \n225 N. HUMPHREYS BLVD STE 501  \nMEMPHIS TN 38188-1001  \nF. Effective Date. This edition of Publication 28 is effective October 2024.  \nEarl L. Johnson Jr.  \nDirector, Addressing & Retail Technology Services Technology Applications  \nPostal Addressing Standards  \nContents  \nTransmittal Letter .................................................. i  \n1 Introduction..................................................... 1  \n11 Background .............................................................. 1  \n111 Purpose .............................................................. 1  \n112 Scope ............................................................... 1  \n113 Additional Benefits ..................................................... 1  \n12 Overview ................................................................. 2  \n121 Address and List Maintenance ............................................ 2  \n122 List Correction ......................................................... 2  \n123 Updates .............................................................. 2  \n124 Address Output ........................................................ 3  \n125 Deliverability .......................................................... 3  \n13 Address Information Systems Products and Services .............................. 3  \n2 Postal Addressing Standards ...................................... 5  \n21 General .................................................................. 5  \n211 Standardized Delivery Address Line and Last Line............................. 5  \n212 Format ............................................................... 5  \n213 Secondary Address Unit Designators ....................................... 6  \n214 Attention Line ......................................................... 7  \n215 Dual Addresses ........................................................ 7  \n22 Last Line of the Address ..................................................... 8  \n221 City Names ........................................................... 8 ","cbCaipSaaHlLK1IL","https://ap.wps.com/l/cbCaipSaaHlLK1IL","pdf",723355,226,"English","# Transmittal Letter\n## 1 Introduction\n## 2 Postal Addressing Standards","[{\"question\":\"What is the purpose of Postal Addressing Standards?\",\"answer\":\"It standardizes address information to improve mail processing and delivery, reduce undeliverable-as-addressed mail, and support efficiency gains through AIS matching and address output formats.\"},{\"question\":\"What major content change is noted for the October 2024 revision?\",\"answer\":\"A new Business Addressing Standards section for mailstop code information was introduced effective October 2023, and the October 2024 update includes an item E street address update.\"},{\"question\":\"Where can Publication 28 be accessed and who should be contacted with questions?\",\"answer\":\"Publication 28 is available on USPS websites such as Postal Explorer and about.usps.com, and questions can be sent to the USPS Address Services address in Memphis, TN.\"}]","Postal Addressing Standards - Publication 28 Transmittal Letter | PDF",1789493087,79]