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 Ecuador in 2003

The 2003 issuing programme is not available.
  1. Ec001.03-80
    Wns Number
    EC001.03
    Country / Post
    Ecuador
    Date of Issue
    January 13, 2003
    Subject
    Second Meeting of Presidents of South America
  2. Ec002.03-80
    Wns Number
    EC002.03
    Country / Post
    Ecuador
    Date of Issue
    January 13, 2003
    Subject
    Second Meeting of President of South America
  3. Ec003.03-80
    Wns Number
    EC003.03
    Country / Post
    Ecuador
    Date of Issue
    January 24, 2003
    Subject
    Blessing of the Ecuadorian Emigrant
  4. Ec004.03-80
    Wns Number
    EC004.03
    Country / Post
    Ecuador
    Date of Issue
    January 24, 2003
    Subject
    Blessing of the Ecuadorian Emigrant
  5. Ec005.03-80
    Wns Number
    EC005.03
    Country / Post
    Ecuador
    Date of Issue
    February 06, 2003
    Subject
    World Vision of Ecuador
  6. Ec006.03-80
    Wns Number
    EC006.03
    Country / Post
    Ecuador
    Date of Issue
    March 08, 2003
    Subject
    International Day of Women
  7. Ec007.03-80
    Wns Number
    EC007.03
    Country / Post
    Ecuador
    Date of Issue
    March 13, 2003
    Subject
    Homage to Agustín Cueva Vallejo
  8. Ec008.03-80
    Wns Number
    EC008.03
    Country / Post
    Ecuador
    Date of Issue
    March 14, 2003
    Subject
    Sports Journalist Association
  9. Ec009.03-80
    Wns Number
    EC009.03
    Country / Post
    Ecuador
    Date of Issue
    March 27, 2003
    Subject
    Crafts from Cuenca
  10. Ec010.03-80
    Wns Number
    EC010.03
    Country / Post
    Ecuador
    Date of Issue
    March 27, 2003
    Subject
    Crafts from Cuenca