Country/Territory/Observer Postal operator
Antigua and Barbuda Antigua and Barbuda Postal Service
Argentina Correo Oficial de la República Argentina S.A.
Aruba Post Aruba N.V.
Australia Australia Post
Austria Österreichische Post AG
Azerbaijan Azerpost LLC
Barbados Barbados Postal Service
Belgium bpost
Country/Territory/Observer Postal operator
Antigua and Barbuda Antigua and Barbuda Postal Service
Argentina Correo Oficial de la República Argentina S.A.
Aruba Post Aruba N.V.
Australia Australia Post
Austria Österreichische Post AG
Azerbaijan Azerpost LLC
Barbados Barbados Postal Service
Belgium bpost
Title
Country/Territory/Observer Postal operator
Antigua and Barbuda Antigua and Barbuda Postal Service
Argentina Correo Oficial de la República Argentina S.A.
Aruba Post Aruba N.V.
Australia Australia Post
Austria Österreichische Post AG
Azerbaijan Azerpost LLC
Barbados Barbados Postal Service
Belgium bpost