The World Association for the Development of Philately (WADP) and the Universal Postal Union (UPU) jointly conceived and developed the WADP Numbering System - WNS, which was launched on 1 January 2002.

All registered stamps issued by United States of America in 2019

The 2019 issuing programme is not available.
  1. Us031.19-80
    Wns Number
    US031.19
    Country / Post
    United States of America
    Date of Issue
    May 10, 2019
    Subject
    150th Anniversary of Transcontinental Railroad - Central Pacific Jupiter Locomotive
  2. Us032.19-80
    Wns Number
    US032.19
    Country / Post
    United States of America
    Date of Issue
    May 10, 2019
    Subject
    150th Anniversary of Transcontinental Railroad - Golden Spike 1869
  3. Us033.19-80
    Wns Number
    US033.19
    Country / Post
    United States of America
    Date of Issue
    May 10, 2019
    Subject
    150th Anniversary of Transcontinental Railroad - Union Pacific No. 119 Locomotive
  4. Us034.19-80
    Wns Number
    US034.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Merced River
  5. Us035.19-80
    Wns Number
    US035.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Owyhee River
  6. Us036.19-80
    Wns Number
    US036.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Koyukuk River
  7. Us037.19-80
    Wns Number
    US037.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Niobrara River
  8. Us038.19-80
    Wns Number
    US038.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Snake River
  9. Us039.19-80
    Wns Number
    US039.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Flathead River
  10. Us040.19-80
    Wns Number
    US040.19
    Country / Post
    United States of America
    Date of Issue
    May 21, 2019
    Subject
    Wild and Scenic Rivers - Missouri River