Publication 28 - Postal Addressing Standards

Mailing Standards of the United States Postal Service
Publication 28 - Postal Addressing Standards
October 2024
PSN 7610-03-000-3688

Transmittal Letter 1 Introduction 11 Background 12 Overview 13 Address Information Systems Products and Services 2 Postal Addressing Standards 21 General 22 Last Line of the Address 23 Delivery Address Line 24 Rural Route Addresses 25 Highway Contract Route Addresses 26 General Delivery Addresses 27 United States Postal Service Addresses 28 Post Office Box Addresses 29 Puerto Rico Addresses 3 Business Addressing Standards 31 General 32 Scope of Standardization 33 Defining Business–to–Business Data Elements 34 Line Removal Guidelines 35 Address Data Element Compression Guidelines Appendix A A1 Readability A2 Address Types A3 International Addresses Appendix B Appendix C C1 Street Suffix Abbreviations C2 Secondary Unit Designators

Appendix D D1 Hyphenated Address Ranges D2 Grid Style Addresses D3 Alphanumeric Combinations of Address Ranges D4 Fractional Addresses D5 Spanish and Other Foreign Words Appendix E E1 Format Appendix F Appendix G Appendix H Appendix I I1 General I2 Address Formats I3 Descriptive Spanish Words I4 Directionals I5 Delivery Address Line Appendix J J1 Address Formats J2 Physical Addresses J3 Post Office Box Addresses