• Aland - Posten pa Aland
• Argentine - Correo Argentino
• Australia - Australia Post
• Austria - Post & Telecom Austria AG
• Belarus - BELPOCHTA
• Belgium - La Poste
• Brazil - Empresa Brasileira de Correios e Telegrafos
• Bulgaria - Committee of Post and Telecommunications
• Canada - Canada Post Corporation
• Croatia - Croatian Post & Telecommunications (HTP)
• Danmark - Danmark Post
• Dominican Rep - Instituto Postal Dominicano
• Estonia - Eesti Post
• Faroe Islands - Postverk Foroya
• Finland - Suomen Posty Oy
• France - La Poste
• Germany - Deutsche Post AG
• Great_Britain - UK Post Office
• Hong Kong - Hong Kong Post Office
• Hungary - Posta
• Iceland - Islandspostur hf
• Indonesia - PT Pos Indonesia
• Ireland - AN Post
• Italy - Poste Italiane
• Japan - Ministry of Posts & Telecommunications
• Jersey - Jersey Post
• Korea - Ministry of Information and Communication
• Latvia - Latvia Post
• Lithuania - Lietuvos Pastas
• Luxembourg - P & T Luxembourg
• Morocco - La Poste Marocaine
• Mexico - Servicio Postal Mexicano
• Namibia - Namibia Post
• Netherlands - PTT Post
• New Zealand - New Zealand Post
• Norway - Posten
• Peru - Ministerio de Transportes, Comunicaciones, Vivienda y Construccion
• Pitcairn Islands - Pitcairn Islands Mail
• Poland - Poczta Polska
• Portugal
  • Operator: CTT Correios
  • Regulator: ICP (Instituto das comunicacoes de Portugal
• Singapore - Singapore Post Pte Ltd
• Slovakia - Slovenska Posta
• Slovenia - Posta Slovenije d.o.o.
• Spain - Correos y Telegrafos
• South Africa - South African Post Office
• Sweden - Posten
• Switzerland - Die Post
• Thailand - The Communications Authority of Thailand
• The former Yougoslav Republic of Macedonia - Macedonian Post & Telecommunications
• Ukraine - Ukrposhta
• United States of America - US Postal Service
• Uruguay - El Correo

Other postal information

• France - Ministry of economy, finance and industry - The postal sector in France
• Greenland - Greenland postal service
• Guernsey - Guernsey Post Office Philatelic News
• Hungary - Hungarian Postal Co. BUVI Region Web Site
• Hungary - Postal rates
• Japan - Okinawa Office of Posts and Telecommunications
• Japan - Tokai Postal Services Bureau
• Lithuania - Postal services
• PostEurop - with a page dedicated to every member of PostEurop
• Slovakia - Postal rates