Issuers
starting with A
73 stamp-issuing authorities in our directory. Each guide covers the issuing period, the inscriptions to look for, popular series and value ranges.
- 1861–1861 Aberdeen (Local Post) Europe · Inscribed ABERDEEN Guide
- 1861–1861 Abingdon (United Kingdom Local Post) Europe · Inscribed ABINGDON Guide
- 1993–2010 Abkhazia Europe Guide
- 1964–1972 Abu Dhabi Middle East · Inscribed ABU DHABI Guide
- 1921–1921 Achtyrka Local Issues Europe Guide
- 1937–1964 Aden Middle East · Inscribed ADEN Guide
- 1912–1945 Aegean Islands (Italian Occupation) Europe · Inscribed ISOLE EGÉE Guide
- 1967–1977 Afars and Issas Africa · Inscribed T.F.A.I. Guide
- 1871–2021 Afghanistan Asia Guide
- 2008–2017 Agion Oros Athos (Mount Athos) Europe · Inscribed ΑΓΙΟΝ ΟΡΟΣ Guide
- 1921–1923 Aguera La Africa Guide
- 1903–present Aitutaki Oceania Guide
- 1964–1973 Ajman Middle East · Inscribed AJMAN Guide
- 1861–1861 Alabama Americas Guide
- 1984–present Aland Islands Europe · Inscribed ÅLAND Guide
- 1925–1930 Alaouites (Alawite State) Middle East · Inscribed ALAOUITES Guide
- 1913–present Albania Europe · Inscribed SHQIPËRIA Guide
- 1861–1861 Albany (Local Post) Americas · Inscribed ALBANY CITY EXPRESS POST Guide
- 1983–present Alderney Europe Guide
- 1938–1938 Alexandretta Middle East · Inscribed ALEXANDRETTE Guide
- 1846–1846 Alexandria (Egypt) Postal History Africa Guide
- 1924–present Algeria Africa Guide
- 1920–1920 Allenstein (Plebiscite Area) Europe · Inscribed ALLENSTEIN Guide
- 1943–1947 Allied Military Government (AMG) Italy Europe · Inscribed AMG-FT Guide
- 1945–1949 Allied Occupation (Germany & Austria) Europe · Inscribed AM POST Guide
- 1877–1901 Alwar (Princely State) Asia Guide
- 1900–present American Samoa Oceania · Inscribed AMERICAN SAMOA Guide
- 1943–1943 AMG Naples Europe · Inscribed AMG Guide
- 1943–1943 AMG Sicily Europe · Inscribed AMG Guide
- 1895–1896 Amoy (Xiamen) Asia · Inscribed AMOY Guide
- 1920–1920 Amur Province Asia Guide
- 1861–1861 Anderson Court House (Confederate Postmaster Provisional) Americas · Inscribed PAID Guide
- 1931–present Andorra (French Post) Europe · Inscribed ANDORRE Guide
- 1928–present Andorra (Spanish Administration) Europe · Inscribed ANDORRA Guide
- 1870–present Angola Africa · Inscribed ANGOLA Guide
- 1892–1905 Angra (Azores) Europe · Inscribed ANGRA Guide
- 1967–2016 Anguilla Americas Guide
- 1892–1907 Anjouan Africa · Inscribed ANJOUAN Guide
- 1888–1889 Annam & Tonkin Asia · Inscribed ANNAM ET TONKIN Guide
- 1861–1861 Annapolis (Local Post) Americas · Inscribed ANNAPOLIS Guide
- 1936–1936 Antequera (Spain) Europe · Inscribed ANTEQUERA Guide
- 1862–1981 Antigua Americas Guide
- 1981–present Antigua and Barbuda Americas Guide
- 1868–1903 Antioquia Americas · Inscribed ESTADO DE ANTIOQUIA Guide
- 1944–1944 Aosta (Italy) Europe · Inscribed AOSTA Guide
- 1945–1945 Apolda (Local Issues) Europe · Inscribed APOLDA Guide
- 1919–1919 Arad (Romanian Occupation) Europe · Inscribed ARAD Guide
- 1937–1937 Aragon (Spanish Civil War) Europe Guide
- 1920–1920 Arbe Rab Inscribed ARBE Guide
- 1858–present Argentina Americas · Inscribed REPUBLICA ARGENTINA Guide
- 1914–1914 Argyrokastron Gjirokaster Europe · Inscribed ARGYROKASTRON Guide
- 1836–present Arkansas Americas Guide
- 1920–1920 Armavir (Local Post) Asia Guide
- 1919–present Armenia Asia Guide
- 1986–present Aruba Americas · Inscribed ARUBA Guide
- 1922–present Ascension Africa · Inscribed ASCENSION Guide
- 1920–1920 Ashgabat Asia Guide
- 1861–1861 Athens (Local Post) Europe · Inscribed ΑΘΗΝΑΙ Guide
- 1861–1861 Atlanta, Georgia (U.S. Local Post) Americas · Inscribed PAID 5 Guide
- 1919–1919 Aunus (Olonets Government) Europe · Inscribed AUNUS Guide
- 1861–1861 Austin Miss (Unrecognized Entity) Guide
- 1861–1861 Austin, Texas (Local Post) Americas Guide
- 1913–present Australia Oceania · Inscribed AUSTRALIA Guide
- 1957–present Australian Antarctic Territory Oceania · Inscribed A.A.T. Guide
- 1850–present Austria Europe · Inscribed ÖSTERREICH Guide
- 1903–1914 Austrian Post Offices in Crete Europe · Inscribed CRETE Guide
- 1867–1914 Austrian Post Offices in the Turkish Empire Middle East Guide
- 1915–1918 Austro-Hungarian Military Post Europe · Inscribed K.U.K. MILITÄRVERWALTUNG Guide
- 1861–1861 Autaugaville, Alabama (United States Local Post) Americas Guide
- 1937–1937 Avila (Spanish Civil War Local Issue) Europe · Inscribed AVILA Guide
- 1943–1943 Azad Hind (Free India) Asia · Inscribed AZAD HIND Guide
- 1919–present Azerbaijan Asia · Inscribed ПОЧТА СССР Guide
- 1868–present Azores Europe · Inscribed AÇORES Guide
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