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 Colombia in 2018

The 2018 issuing programme is not available.
  1. Co001.18-80
    Wns Number
    CO001.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - White-mantled barbet (Capito hypoleucus)
  2. Co002.18-80
    Wns Number
    CO002.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Flame-winged parakeet (Pyrrhura calliptera)
  3. Co003.18-80
    Wns Number
    CO003.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - San Andres vireo or St. Andrew vireo (Vireo caribaeus)
  4. Co004.18-80
    Wns Number
    CO004.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Santa Marta parakeet (Pyrrhura viridicata)
  5. Co005.18-80
    Wns Number
    CO005.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Santa Marta mountain-tanager (Anisognathus melanogenys)
  6. Co006.18-80
    Wns Number
    CO006.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Black-and-gold tanager (Bangsia melanochlamys)
  7. Co007.18-80
    Wns Number
    CO007.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Perija metaltail (Metallura iracunda)
  8. Co008.18-80
    Wns Number
    CO008.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Parker's antbird (Cercomacra parkeri)
  9. Co009.18-80
    Wns Number
    CO009.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Black-backed thornbill (Ramphomicron dorsale)
  10. Co010.18-80
    Wns Number
    CO010.18
    Country / Post
    Colombia
    Date of Issue
    January 23, 2018
    Subject
    Endemic birds of Colombia - Sooty-capped puffbird (Bucco noanamae)