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 Sudan in 2006

The 2006 issuing programme is not available.
  1. Sd001.06-80
    Wns Number
    SD001.06
    Country / Post
    Sudan
    Date of Issue
    January 15, 2006
    Subject
    Fifty Years of Independence 1956-2006
  2. Sd002.06-80
    Wns Number
    SD002.06
    Country / Post
    Sudan
    Date of Issue
    January 15, 2006
    Subject
    Fifty Years of Independence 1956-2006
  3. Sd003.06-80
    Wns Number
    SD003.06
    Country / Post
    Sudan
    Date of Issue
    January 15, 2006
    Subject
    Fifty Years of Independence 1956-2006
  4. Sd004.06-80
    Wns Number
    SD004.06
    Country / Post
    Sudan
    Date of Issue
    October 12, 2006
    Subject
    30th Anniversary of the formation of OPEC Fund
  5. Sd005.06-80
    Wns Number
    SD005.06
    Country / Post
    Sudan
    Date of Issue
    October 12, 2006
    Subject
    30th Anniversary of the formation of OPEC Fund
  6. Sd006.06-80
    Wns Number
    SD006.06
    Country / Post
    Sudan
    Date of Issue
    October 12, 2006
    Subject
    30th Anniversary of the formation of OPEC Fund