The Experimenter. April, 1925
| Series | Allocated to |
|---|---|
| 2AA - 2AZ | United Kingdom of Great Britain and Northern Ireland |
| 2BA - 2BZ | United Kingdom of Great Britain and Northern Ireland |
| 2CA - 2CZ | United Kingdom of Great Britain and Northern Ireland |
| 2DA - 2DZ | United Kingdom of Great Britain and Northern Ireland |
| 2EA - 2EZ | United Kingdom of Great Britain and Northern Ireland |
| 2FA - 2FZ | United Kingdom of Great Britain and Northern Ireland |
| 2GA - 2GZ | United Kingdom of Great Britain and Northern Ireland |
| 2HA - 2HZ | United Kingdom of Great Britain and Northern Ireland |
| 2IA - 2IZ | United Kingdom of Great Britain and Northern Ireland |
| 2JA - 2JZ | United Kingdom of Great Britain and Northern Ireland |
| 2KA - 2KZ | United Kingdom of Great Britain and Northern Ireland |
| 2LA - 2LZ | United Kingdom of Great Britain and Northern Ireland |
| 2MA - 2MZ | United Kingdom of Great Britain and Northern Ireland |
| 2NA - 2NZ | United Kingdom of Great Britain and Northern Ireland |
| 2OA - 2OZ | United Kingdom of Great Britain and Northern Ireland |
| 2PA - 2PZ | United Kingdom of Great Britain and Northern Ireland |
| 2QA - 2QZ | United Kingdom of Great Britain and Northern Ireland |
| 2RA - 2RZ | United Kingdom of Great Britain and Northern Ireland |
| 2SA - 2SZ | United Kingdom of Great Britain and Northern Ireland |
| 2TA - 2TZ | United Kingdom of Great Britain and Northern Ireland |
| 2UA - 2UZ | United Kingdom of Great Britain and Northern Ireland |
| 2VA - 2VZ | United Kingdom of Great Britain and Northern Ireland |
| 2WA - 2WZ | United Kingdom of Great Britain and Northern Ireland |
| 2XA - 2XZ | United Kingdom of Great Britain and Northern Ireland |
| 2YA - 2YZ | United Kingdom of Great Britain and Northern Ireland |
| 2ZA - 2ZZ | United Kingdom of Great Britain and Northern Ireland |
| 3AA - 3AZ | Monaco (Principality of) |
| 3BA - 3BZ | Mauritius (Republic of) |
| 3CA - 3CZ | Equatorial Guinea (Republic of) |
| 3DA - 3DM | Eswatini (Kingdom of) |
| 3DN - 3DZ | Fiji (Republic of) |
| 3EA - 3EZ | Panama (Republic of) |
| 3FA - 3FZ | Panama (Republic of) |
| 3GA - 3GZ | Chile |
| 3HA - 3HZ | China (People's Republic of) |
| 3IA - 3IZ | China (People's Republic of) |
| 3JA - 3JZ | China (People's Republic of) |
| 3KA - 3KZ | China (People's Republic of) |
| 3LA - 3LZ | China (People's Republic of) |
| 3MA - 3MZ | China (People's Republic of) |
| 3NA - 3NZ | China (People's Republic of) |
| 3OA - 3OZ | China (People's Republic of) |
| 3PA - 3PZ | China (People's Republic of) |
| 3QA - 3QZ | China (People's Republic of) |
| 3RA - 3RZ | China (People's Republic of) |
| 3SA - 3SZ | China (People's Republic of) |
| 3TA - 3TZ | China (People's Republic of) |
| 3UA - 3UZ | China (People's Republic of) |
| 3VA - 3VZ | Tunisia |
| 3WA - 3WZ | Viet Nam (Socialist Republic of) |
| 3XA - 3XZ | Guinea (Republic of) |
| 3YA - 3YZ | Norway |
| 3ZA - 3ZZ | Poland (Republic of) |
| 4AA - 4AZ | Mexico |
| 4BA - 4BZ | Mexico |
| 4CA - 4CZ | Mexico |
| 4DA - 4DZ | Philippines (Republic of the) |
| 4EA - 4EZ | Philippines (Republic of the) |
| 4FA - 4FZ | Philippines (Republic of the) |
| 4GA - 4GZ | Philippines (Republic of the) |
| 4HA - 4HZ | Philippines (Republic of the) |
| 4IA - 4IZ | Philippines (Republic of the) |
| 4JA - 4JZ | Azerbaijan (Republic of) |
| 4KA - 4KZ | Azerbaijan (Republic of) |
| 4LA - 4LZ | Georgia |
| 4MA - 4MZ | Venezuela (Bolivarian Republic of) |
| 4OA - 4OZ | Montenegro |
| 4PA - 4PZ | Sri Lanka (Democratic Socialist Republic of) |
| 4QA - 4QZ | Sri Lanka (Democratic Socialist Republic of) |
| 4RA - 4RZ | Sri Lanka (Democratic Socialist Republic of) |
| 4SA - 4SZ | Sri Lanka (Democratic Socialist Republic of) |
| 4TA - 4TZ | Peru |
| 4UA - 4UZ | United Nations |
| 4VA - 4VZ | Haiti (Republic of) |
| 4WA - 4WZ | Timor-Leste (Democratic Republic of) |
| 4XA - 4XZ | Israel (State of) |
| 4YA - 4YZ | International Civil Aviation Organization |
| 4ZA - 4ZZ | Israel (State of) |
| 5AA - 5AZ | Libya (State of) |
| 5BA - 5BZ | Cyprus (Republic of) |
| 5CA - 5CZ | Morocco (Kingdom of) |
| 5DA - 5DZ | Morocco (Kingdom of) |
| 5EA - 5EZ | Morocco (Kingdom of) |
| 5FA - 5FZ | Morocco (Kingdom of) |
| 5GA - 5GZ | Morocco (Kingdom of) |
| 5HA - 5HZ | Tanzania (United Republic of) |
| 5IA - 5IZ | Tanzania (United Republic of) |
| 5JA - 5JZ | Colombia (Republic of) |
| 5KA - 5KZ | Colombia (Republic of) |
| 5LA - 5LZ | Liberia (Republic of) |
| 5MA - 5MZ | Liberia (Republic of) |
| 5NA - 5NZ | Nigeria (Federal Republic of) |
| 5OA - 5OZ | Nigeria (Federal Republic of) |
| 5PA - 5PZ | Denmark |
| 5QA - 5QZ | Denmark |
| 5RA - 5RZ | Madagascar (Republic of) |
| 5SA - 5SZ | Madagascar (Republic of) |
| 5TA - 5TZ | Mauritania (Islamic Republic of) |
| 5UA - 5UZ | Niger (Republic of the) |
| 5VA - 5VZ | Togolese Republic |
| 5WA - 5WZ | Samoa (Independent State of) |
| 5XA - 5XZ | Uganda (Republic of) |
| 5YA - 5YZ | Kenya (Republic of) |
| 5ZA - 5ZZ | Kenya (Republic of) |
| 6AA - 6AZ | Egypt (Arab Republic of) |
| 6BA - 6BZ | Egypt (Arab Republic of) |
| 6CA - 6CZ | Syrian Arab Republic |
| 6DA - 6DZ | Mexico |
| 6EA - 6EZ | Mexico |
| 6FA - 6FZ | Mexico |
| 6GA - 6GZ | Mexico |
| 6HA - 6HZ | Mexico |
| 6IA - 6IZ | Mexico |
| 6JA - 6JZ | Mexico |
| 6KA - 6KZ | Korea (Republic of) |
| 6LA - 6LZ | Korea (Republic of) |
| 6MA - 6MZ | Korea (Republic of) |
| 6NA - 6NZ | Korea (Republic of) |
| 6OA - 6OZ | Somalia (Federal Republic of) |
| 6PA - 6PZ | Pakistan (Islamic Republic of) |
| 6QA - 6QZ | Pakistan (Islamic Republic of) |
| 6RA - 6RZ | Pakistan (Islamic Republic of) |
| 6SA - 6SZ | Pakistan (Islamic Republic of) |
| 6TA - 6TZ | Sudan (Republic of the) |
| 6UA - 6UZ | Sudan (Republic of the) |
| 6VA - 6VZ | Senegal (Republic of) |
| 6WA - 6WZ | Senegal (Republic of) |
| 6XA - 6XZ | Madagascar (Republic of) |
| 6YA - 6YZ | Jamaica |
| 6ZA - 6ZZ | Liberia (Republic of) |
| 7AA - 7AZ | Indonesia (Republic of) |
| 7BA - 7BZ | Indonesia (Republic of) |
| 7CA - 7CZ | Indonesia (Republic of) |
| 7DA - 7DZ | Indonesia (Republic of) |
| 7EA - 7EZ | Indonesia (Republic of) |
| 7FA - 7FZ | Indonesia (Republic of) |
| 7GA - 7GZ | Indonesia (Republic of) |
| 7HA - 7HZ | Indonesia (Republic of) |
| 7IA - 7IZ | Indonesia (Republic of) |
| 7JA - 7JZ | Japan |
| 7KA - 7KZ | Japan |
| 7LA - 7LZ | Japan |
| 7MA - 7MZ | Japan |
| 7NA - 7NZ | Japan |
| 7OA - 7OZ | Yemen (Republic of) |
| 7PA - 7PZ | Lesotho (Kingdom of) |
| 7QA - 7QZ | Malawi |
| 7RA - 7RZ | Algeria (People's Democratic Republic of) |
| 7SA - 7SZ | Sweden |
| 7TA - 7TZ | Algeria (People's Democratic Republic of) |
| 7UA - 7UZ | Algeria (People's Democratic Republic of) |
| 7VA - 7VZ | Algeria (People's Democratic Republic of) |
| 7WA - 7WZ | Algeria (People's Democratic Republic of) |
| 7XA - 7XZ | Algeria (People's Democratic Republic of) |
| 7YA - 7YZ | Algeria (People's Democratic Republic of) |
| 7ZA - 7ZZ | Saudi Arabia (Kingdom of) |
| 8AA - 8AZ | Indonesia (Republic of) |
| 8BA - 8BZ | Indonesia (Republic of) |
| 8CA - 8CZ | Indonesia (Republic of) |
| 8DA - 8DZ | Indonesia (Republic of) |
| 8EA - 8EZ | Indonesia (Republic of) |
| 8FA - 8FZ | Indonesia (Republic of) |
| 8GA - 8GZ | Indonesia (Republic of) |
| 8HA - 8HZ | Indonesia (Republic of) |
| 8IA - 8IZ | Indonesia (Republic of) |
| 8JA - 8JZ | Japan |
| 8KA - 8KZ | Japan |
| 8LA - 8LZ | Japan |
| 8MA - 8MZ | Japan |
| 8NA - 8NZ | Japan |
| 8OA - 8OZ | Botswana (Republic of) |
| 8PA - 8PZ | Barbados |
| 8QA - 8QZ | Maldives (Republic of) |
| 8RA - 8RZ | Guyana |
| 8SA - 8SZ | Sweden |
| 8TA - 8TZ | India (Republic of) |
| 8UA - 8UZ | India (Republic of) |
| 8VA - 8VZ | India (Republic of) |
| 8WA - 8WZ | India (Republic of) |
| 8XA - 8XZ | India (Republic of) |
| 8YA - 8YZ | India (Republic of) |
| 8ZA - 8ZZ | Saudi Arabia (Kingdom of) |
| 9AA - 9AZ | Croatia (Republic of) |
| 9BA - 9BZ | Iran (Islamic Republic of) |
| 9CA - 9CZ | Iran (Islamic Republic of) |
| 9DA - 9DZ | Iran (Islamic Republic of) |
| 9EA - 9EZ | Ethiopia (Federal Democratic Republic of) |
| 9FA - 9FZ | Ethiopia (Federal Democratic Republic of) |
| 9GA - 9GZ | Ghana |
| 9HA - 9HZ | Malta |
| 9IA - 9IZ | Zambia (Republic of) |
| 9JA - 9JZ | Zambia (Republic of) |
| 9KA - 9KZ | Kuwait (State of) |
| 9LA - 9LZ | Sierra Leone |
| 9MA - 9MZ | Malaysia |
| 9NA - 9NZ | Nepal (Federal Democratic Republic of) |
| 9OA - 9OZ | Democratic Republic of the Congo |
| 9PA - 9PZ | Democratic Republic of the Congo |
| 9QA - 9QZ | Democratic Republic of the Congo |
| 9RA - 9RZ | Democratic Republic of the Congo |
| 9SA - 9SZ | Democratic Republic of the Congo |
| 9TA - 9TZ | Democratic Republic of the Congo |
| 9UA - 9UZ | Burundi (Republic of) |
| 9VA - 9VZ | Singapore (Republic of) |
| 9WA - 9WZ | Malaysia |
| 9XA - 9XZ | Rwanda (Republic of) |
| 9YA - 9YZ | Trinidad and Tobago |
| 9ZA - 9ZZ | Trinidad and Tobago |
| A2A - A2Z | Botswana (Republic of) |
| A3A - A3Z | Tonga (Kingdom of) |
| A4A - A4Z | Oman (Sultanate of) |
| A5A - A5Z | Bhutan (Kingdom of) |
| A6A - A6Z | United Arab Emirates |
| A7A - A7Z | Qatar (State of) |
| A8A - A8Z | Liberia (Republic of) |
| A9A - A9Z | Bahrain (Kingdom of) |
| AAA - AAZ | United States of America |
| ABA - ABZ | United States of America |
| ACA - ACZ | United States of America |
| ADA - ADZ | United States of America |
| AEA - AEZ | United States of America |
| AFA - AFZ | United States of America |
| AGA - AGZ | United States of America |
| AHA - AHZ | United States of America |
| AIA - AIZ | United States of America |
| AJA - AJZ | United States of America |
| AKA - AKZ | United States of America |
| ALA - ALZ | United States of America |
| AMA - AMZ | Spain |
| ANA - ANZ | Spain |
| AOA - AOZ | Spain |
| APA - APZ | Pakistan (Islamic Republic of) |
| AQA - AQZ | Pakistan (Islamic Republic of) |
| ARA - ARZ | Pakistan (Islamic Republic of) |
| ASA - ASZ | Pakistan (Islamic Republic of) |
| ATA - ATZ | India (Republic of) |
| AUA - AUZ | India (Republic of) |
| AVA - AVZ | India (Republic of) |
| AWA - AWZ | India (Republic of) |
| AXA - AXZ | Australia |
| AYA - AYZ | Argentine Republic |
| AZA - AZZ | Argentine Republic |
| BAA - BAZ | China (People's Republic of) |
| BBA - BBZ | China (People's Republic of) |
| BCA - BCZ | China (People's Republic of) |
| BDA - BDZ | China (People's Republic of) |
| BEA - BEZ | China (People's Republic of) |
| BFA - BFZ | China (People's Republic of) |
| BGA - BGZ | China (People's Republic of) |
| BHA - BHZ | China (People's Republic of) |
| BIA - BIZ | China (People's Republic of) |
| BJA - BJZ | China (People's Republic of) |
| BKA - BKZ | China (People's Republic of) |
| BLA - BLZ | China (People's Republic of) |
| BMA - BMZ | China (People's Republic of) |
| BNA - BNZ | China (People's Republic of) |
| BOA - BOZ | China (People's Republic of) |
| BPA - BPZ | China (People's Republic of) |
| BQA - BQZ | China (People's Republic of) |
| BRA - BRZ | China (People's Republic of) |
| BSA - BSZ | China (People's Republic of) |
| BTA - BTZ | China (People's Republic of) |
| BUA - BUZ | China (People's Republic of) |
| BVA - BVZ | China (People's Republic of) |
| BWA - BWZ | China (People's Republic of) |
| BXA - BXZ | China (People's Republic of) |
| BYA - BYZ | China (People's Republic of) |
| BZA - BZZ | China (People's Republic of) |
| C2A - C2Z | Nauru (Republic of) |
| C3A - C3Z | Andorra (Principality of) |
| C4A - C4Z | Cyprus (Republic of) |
| C5A - C5Z | Gambia (Republic of the) |
| C6A - C6Z | Bahamas (Commonwealth of the) |
| C7A - C7Z | World Meteorological Organization |
| C8A - C8Z | Mozambique (Republic of) |
| C9A - C9Z | Mozambique (Republic of) |
| CAA - CAZ | Chile |
| CBA - CBZ | Chile |
| CCA - CCZ | Chile |
| CDA - CDZ | Chile |
| CEA - CEZ | Chile |
| CFA - CFZ | Canada |
| CGA - CGZ | Canada |
| CHA - CHZ | Canada |
| CIA - CIZ | Canada |
| CJA - CJZ | Canada |
| CKA - CKZ | Canada |
| CLA - CLZ | Cuba |
| CMA - CMZ | Cuba |
| CNA - CNZ | Morocco (Kingdom of) |
| COA - COZ | Cuba |
| CPA - CPZ | Bolivia (Plurinational State of) |
| CQA - CQZ | Portugal |
| CRA - CRZ | Portugal |
| CSA - CSZ | Portugal |
| CTA - CTZ | Portugal |
| CUA - CUZ | Portugal |
| CVA - CVZ | Uruguay (Eastern Republic of) |
| CWA - CWZ | Uruguay (Eastern Republic of) |
| CXA - CXZ | Uruguay (Eastern Republic of) |
| CYA - CYZ | Canada |
| CZA - CZZ | Canada |
| D2A - D2Z | Angola (Republic of) |
| D3A - D3Z | Angola (Republic of) |
| D4A - D4Z | Cabo Verde (Republic of) |
| D5A - D5Z | Liberia (Republic of) |
| D6A - D6Z | Comoros (Union of the) |
| D7A - D7Z | Korea (Republic of) |
| D8A - D8Z | Korea (Republic of) |
| D9A - D9Z | Korea (Republic of) |
| DAA - DAZ | Germany (Federal Republic of) |
| DBA - DBZ | Germany (Federal Republic of) |
| DCA - DCZ | Germany (Federal Republic of) |
| DDA - DDZ | Germany (Federal Republic of) |
| DEA - DEZ | Germany (Federal Republic of) |
| DFA - DFZ | Germany (Federal Republic of) |
| DGA - DGZ | Germany (Federal Republic of) |
| DHA - DHZ | Germany (Federal Republic of) |
| DIA - DIZ | Germany (Federal Republic of) |
| DJA - DJZ | Germany (Federal Republic of) |
| DKA - DKZ | Germany (Federal Republic of) |
| DLA - DLZ | Germany (Federal Republic of) |
| DMA - DMZ | Germany (Federal Republic of) |
| DNA - DNZ | Germany (Federal Republic of) |
| DOA - DOZ | Germany (Federal Republic of) |
| DPA - DPZ | Germany (Federal Republic of) |
| DQA - DQZ | Germany (Federal Republic of) |
| DRA - DRZ | Germany (Federal Republic of) |
| DSA - DSZ | Korea (Republic of) |
| DTA - DTZ | Korea (Republic of) |
| DUA - DUZ | Philippines (Republic of the) |
| DVA - DVZ | Philippines (Republic of the) |
| DWA - DWZ | Philippines (Republic of the) |
| DXA - DXZ | Philippines (Republic of the) |
| DYA - DYZ | Philippines (Republic of the) |
| DZA - DZZ | Philippines (Republic of the) |
| E2A - E2Z | Thailand |
| E3A - E3Z | Eritrea |
| E4A - E4Z | State of Palestine (In accordance with Resolution 99 Rev. Dubai, 2018) |
| E5A - E5Z | New Zealand - Cook Islands |
| E6A - E6Z | New Zealand - Niue |
| E7A - E7Z | Bosnia and Herzegovina |
| EAA - EAZ | Spain |
| EBA - EBZ | Spain |
| ECA - ECZ | Spain |
| EDA - EDZ | Spain |
| EEA - EEZ | Spain |
| EFA - EFZ | Spain |
| EGA - EGZ | Spain |
| EHA - EHZ | Spain |
| EIA - EIZ | Ireland |
| EJA - EJZ | Ireland |
| EKA - EKZ | Armenia (Republic of) |
| ELA - ELZ | Liberia (Republic of) |
| EMA - EMZ | Ukraine |
| ENA - ENZ | Ukraine |
| EOA - EOZ | Ukraine |
| EPA - EPZ | Iran (Islamic Republic of) |
| EQA - EQZ | Iran (Islamic Republic of) |
| ERA - ERZ | Moldova (Republic of) |
| ESA - ESZ | Estonia (Republic of) |
| ETA - ETZ | Ethiopia (Federal Democratic Republic of) |
| EUA - EUZ | Belarus (Republic of) |
| EVA - EVZ | Belarus (Republic of) |
| EWA - EWZ | Belarus (Republic of) |
| EXA - EXZ | Kyrgyz Republic |
| EYA - EYZ | Tajikistan (Republic of) |
| EZA - EZZ | Turkmenistan |
| FAA - FAZ | France |
| FBA - FBZ | France |
| FCA - FCZ | France |
| FDA - FDZ | France |
| FEA - FEZ | France |
| FFA - FFZ | France |
| FGA - FGZ | France |
| FHA - FHZ | France |
| FIA - FIZ | France |
| FJA - FJZ | France |
| FKA - FKZ | France |
| FLA - FLZ | France |
| FMA - FMZ | France |
| FNA - FNZ | France |
| FOA - FOZ | France |
| FPA - FPZ | France |
| FQA - FQZ | France |
| FRA - FRZ | France |
| FSA - FSZ | France |
| FTA - FTZ | France |
| FUA - FUZ | France |
| FVA - FVZ | France |
| FWA - FWZ | France |
| FXA - FXZ | France |
| FYA - FYZ | France |
| FZA - FZZ | France |
| GAA - GAZ | United Kingdom of Great Britain and Northern Ireland |
| GBA - GBZ | United Kingdom of Great Britain and Northern Ireland |
| GCA - GCZ | United Kingdom of Great Britain and Northern Ireland |
| GDA - GDZ | United Kingdom of Great Britain and Northern Ireland |
| GEA - GEZ | United Kingdom of Great Britain and Northern Ireland |
| GFA - GFZ | United Kingdom of Great Britain and Northern Ireland |
| GGA - GGZ | United Kingdom of Great Britain and Northern Ireland |
| GHA - GHZ | United Kingdom of Great Britain and Northern Ireland |
| GIA - GIZ | United Kingdom of Great Britain and Northern Ireland |
| GJA - GJZ | United Kingdom of Great Britain and Northern Ireland |
| GKA - GKZ | United Kingdom of Great Britain and Northern Ireland |
| GLA - GLZ | United Kingdom of Great Britain and Northern Ireland |
| GMA - GMZ | United Kingdom of Great Britain and Northern Ireland |
| GNA - GNZ | United Kingdom of Great Britain and Northern Ireland |
| GOA - GOZ | United Kingdom of Great Britain and Northern Ireland |
| GPA - GPZ | United Kingdom of Great Britain and Northern Ireland |
| GQA - GQZ | United Kingdom of Great Britain and Northern Ireland |
| GRA - GRZ | United Kingdom of Great Britain and Northern Ireland |
| GSA - GSZ | United Kingdom of Great Britain and Northern Ireland |
| GTA - GTZ | United Kingdom of Great Britain and Northern Ireland |
| GUA - GUZ | United Kingdom of Great Britain and Northern Ireland |
| GVA - GVZ | United Kingdom of Great Britain and Northern Ireland |
| GWA - GWZ | United Kingdom of Great Britain and Northern Ireland |
| GXA - GXZ | United Kingdom of Great Britain and Northern Ireland |
| GYA - GYZ | United Kingdom of Great Britain and Northern Ireland |
| GZA - GZZ | United Kingdom of Great Britain and Northern Ireland |
| H2A - H2Z | Cyprus (Republic of) |
| H3A - H3Z | Panama (Republic of) |
| H4A - H4Z | Solomon Islands |
| H6A - H6Z | Nicaragua |
| H7A - H7Z | Nicaragua |
| H8A - H8Z | Panama (Republic of) |
| H9A - H9Z | Panama (Republic of) |
| HAA - HAZ | Hungary |
| HBA - HBZ | Switzerland (Confederation of) |
| HCA - HCZ | Ecuador |
| HDA - HDZ | Ecuador |
| HEA - HEZ | Switzerland (Confederation of) |
| HFA - HFZ | Poland (Republic of) |
| HGA - HGZ | Hungary |
| HHA - HHZ | Haiti (Republic of) |
| HIA - HIZ | Dominican Republic |
| HJA - HJZ | Colombia (Republic of) |
| HKA - HKZ | Colombia (Republic of) |
| HLA - HLZ | Korea (Republic of) |
| HMA - HMZ | Democratic People's Republic of Korea |
| HNA - HNZ | Iraq (Republic of) |
| HOA - HOZ | Panama (Republic of) |
| HPA - HPZ | Panama (Republic of) |
| HQA - HQZ | Honduras (Republic of) |
| HRA - HRZ | Honduras (Republic of) |
| HSA - HSZ | Thailand |
| HTA - HTZ | Nicaragua |
| HUA - HUZ | El Salvador (Republic of) |
| HVA - HVZ | Vatican City State |
| HWA - HWZ | France |
| HXA - HXZ | France |
| HYA - HYZ | France |
| HZA - HZZ | Saudi Arabia (Kingdom of) |
| IAA - IAZ | Italy |
| IBA - IBZ | Italy |
| ICA - ICZ | Italy |
| IDA - IDZ | Italy |
| IEA - IEZ | Italy |
| IFA - IFZ | Italy |
| IGA - IGZ | Italy |
| IHA - IHZ | Italy |
| IIA - IIZ | Italy |
| IJA - IJZ | Italy |
| IKA - IKZ | Italy |
| ILA - ILZ | Italy |
| IMA - IMZ | Italy |
| INA - INZ | Italy |
| IOA - IOZ | Italy |
| IPA - IPZ | Italy |
| IQA - IQZ | Italy |
| IRA - IRZ | Italy |
| ISA - ISZ | Italy |
| ITA - ITZ | Italy |
| IUA - IUZ | Italy |
| IVA - IVZ | Italy |
| IWA - IWZ | Italy |
| IXA - IXZ | Italy |
| IYA - IYZ | Italy |
| IZA - IZZ | Italy |
| J2A - J2Z | Djibouti (Republic of) |
| J3A - J3Z | Grenada |
| J4A - J4Z | Greece |
| J5A - J5Z | Guinea-Bissau (Republic of) |
| J6A - J6Z | Saint Lucia |
| J7A - J7Z | Dominica (Commonwealth of) |
| J8A - J8Z | Saint Vincent and the Grenadines |
| JAA - JAZ | Japan |
| JBA - JBZ | Japan |
| JCA - JCZ | Japan |
| JDA - JDZ | Japan |
| JEA - JEZ | Japan |
| JFA - JFZ | Japan |
| JGA - JGZ | Japan |
| JHA - JHZ | Japan |
| JIA - JIZ | Japan |
| JJA - JJZ | Japan |
| JKA - JKZ | Japan |
| JLA - JLZ | Japan |
| JMA - JMZ | Japan |
| JNA - JNZ | Japan |
| JOA - JOZ | Japan |
| JPA - JPZ | Japan |
| JQA - JQZ | Japan |
| JRA - JRZ | Japan |
| JSA - JSZ | Japan |
| JTA - JTZ | Mongolia |
| JUA - JUZ | Mongolia |
| JVA - JVZ | Mongolia |
| JWA - JWZ | Norway |
| JXA - JXZ | Norway |
| JYA - JYZ | Jordan (Hashemite Kingdom of) |
| JZA - JZZ | Indonesia (Republic of) |
| KAA - KAZ | United States of America |
| KBA - KBZ | United States of America |
| KCA - KCZ | United States of America |
| KDA - KDZ | United States of America |
| KEA - KEZ | United States of America |
| KFA - KFZ | United States of America |
| KGA - KGZ | United States of America |
| KHA - KHZ | United States of America |
| KIA - KIZ | United States of America |
| KJA - KJZ | United States of America |
| KKA - KKZ | United States of America |
| KLA - KLZ | United States of America |
| KMA - KMZ | United States of America |
| KNA - KNZ | United States of America |
| KOA - KOZ | United States of America |
| KPA - KPZ | United States of America |
| KQA - KQZ | United States of America |
| KRA - KRZ | United States of America |
| KSA - KSZ | United States of America |
| KTA - KTZ | United States of America |
| KUA - KUZ | United States of America |
| KVA - KVZ | United States of America |
| KWA - KWZ | United States of America |
| KXA - KXZ | United States of America |
| KYA - KYZ | United States of America |
| KZA - KZZ | United States of America |
| L2A - L2Z | Argentine Republic |
| L3A - L3Z | Argentine Republic |
| L4A - L4Z | Argentine Republic |
| L5A - L5Z | Argentine Republic |
| L6A - L6Z | Argentine Republic |
| L7A - L7Z | Argentine Republic |
| L8A - L8Z | Argentine Republic |
| L9A - L9Z | Argentine Republic |
| LAA - LAZ | Norway |
| LBA - LBZ | Norway |
| LCA - LCZ | Norway |
| LDA - LDZ | Norway |
| LEA - LEZ | Norway |
| LFA - LFZ | Norway |
| LGA - LGZ | Norway |
| LHA - LHZ | Norway |
| LIA - LIZ | Norway |
| LJA - LJZ | Norway |
| LKA - LKZ | Norway |
| LLA - LLZ | Norway |
| LMA - LMZ | Norway |
| LNA - LNZ | Norway |
| LOA - LOZ | Argentine Republic |
| LPA - LPZ | Argentine Republic |
| LQA - LQZ | Argentine Republic |
| LRA - LRZ | Argentine Republic |
| LSA - LSZ | Argentine Republic |
| LTA - LTZ | Argentine Republic |
| LUA - LUZ | Argentine Republic |
| LVA - LVZ | Argentine Republic |
| LWA - LWZ | Argentine Republic |
| LXA - LXZ | Luxembourg |
| LYA - LYZ | Lithuania (Republic of) |
| LZA - LZZ | Bulgaria (Republic of) |
| MAA - MAZ | United Kingdom of Great Britain and Northern Ireland |
| MBA - MBZ | United Kingdom of Great Britain and Northern Ireland |
| MCA - MCZ | United Kingdom of Great Britain and Northern Ireland |
| MDA - MDZ | United Kingdom of Great Britain and Northern Ireland |
| MEA - MEZ | United Kingdom of Great Britain and Northern Ireland |
| MFA - MFZ | United Kingdom of Great Britain and Northern Ireland |
| MGA - MGZ | United Kingdom of Great Britain and Northern Ireland |
| MHA - MHZ | United Kingdom of Great Britain and Northern Ireland |
| MIA - MIZ | United Kingdom of Great Britain and Northern Ireland |
| MJA - MJZ | United Kingdom of Great Britain and Northern Ireland |
| MKA - MKZ | United Kingdom of Great Britain and Northern Ireland |
| MLA - MLZ | United Kingdom of Great Britain and Northern Ireland |
| MMA - MMZ | United Kingdom of Great Britain and Northern Ireland |
| MNA - MNZ | United Kingdom of Great Britain and Northern Ireland |
| MOA - MOZ | United Kingdom of Great Britain and Northern Ireland |
| MPA - MPZ | United Kingdom of Great Britain and Northern Ireland |
| MQA - MQZ | United Kingdom of Great Britain and Northern Ireland |
| MRA - MRZ | United Kingdom of Great Britain and Northern Ireland |
| MSA - MSZ | United Kingdom of Great Britain and Northern Ireland |
| MTA - MTZ | United Kingdom of Great Britain and Northern Ireland |
| MUA - MUZ | United Kingdom of Great Britain and Northern Ireland |
| MVA - MVZ | United Kingdom of Great Britain and Northern Ireland |
| MWA - MWZ | United Kingdom of Great Britain and Northern Ireland |
| MXA - MXZ | United Kingdom of Great Britain and Northern Ireland |
| MYA - MYZ | United Kingdom of Great Britain and Northern Ireland |
| MZA - MZZ | United Kingdom of Great Britain and Northern Ireland |
| NAA - NAZ | United States of America |
| NBA - NBZ | United States of America |
| NCA - NCZ | United States of America |
| NDA - NDZ | United States of America |
| NEA - NEZ | United States of America |
| NFA - NFZ | United States of America |
| NGA - NGZ | United States of America |
| NHA - NHZ | United States of America |
| NIA - NIZ | United States of America |
| NJA - NJZ | United States of America |
| NKA - NKZ | United States of America |
| NLA - NLZ | United States of America |
| NMA - NMZ | United States of America |
| NNA - NNZ | United States of America |
| NOA - NOZ | United States of America |
| NPA - NPZ | United States of America |
| NQA - NQZ | United States of America |
| NRA - NRZ | United States of America |
| NSA - NSZ | United States of America |
| NTA - NTZ | United States of America |
| NUA - NUZ | United States of America |
| NVA - NVZ | United States of America |
| NWA - NWZ | United States of America |
| NXA - NXZ | United States of America |
| NYA - NYZ | United States of America |
| NZA - NZZ | United States of America |
| OAA - OAZ | Peru |
| OBA - OBZ | Peru |
| OCA - OCZ | Peru |
| ODA - ODZ | Lebanon |
| OEA - OEZ | Austria |
| OFA - OFZ | Finland |
| OGA - OGZ | Finland |
| OHA - OHZ | Finland |
| OIA - OIZ | Finland |
| OJA - OJZ | Finland |
| OKA - OKZ | Czech Republic |
| OLA - OLZ | Czech Republic |
| OMA - OMZ | Slovak Republic |
| ONA - ONZ | Belgium |
| OOA - OOZ | Belgium |
| OPA - OPZ | Belgium |
| OQA - OQZ | Belgium |
| ORA - ORZ | Belgium |
| OSA - OSZ | Belgium |
| OTA - OTZ | Belgium |
| OUA - OUZ | Denmark |
| OVA - OVZ | Denmark |
| OWA - OWZ | Denmark |
| OXA - OXZ | Denmark |
| OYA - OYZ | Denmark |
| OZA - OZZ | Denmark |
| P2A - P2Z | Papua New Guinea |
| P3A - P3Z | Cyprus (Republic of) |
| P4A - P4Z | Netherlands (Kingdom of the) - Aruba |
| P5A - P5Z | Democratic People's Republic of Korea |
| P6A - P6Z | Democratic People's Republic of Korea |
| P7A - P7Z | Democratic People's Republic of Korea |
| P8A - P8Z | Democratic People's Republic of Korea |
| P9A - P9Z | Democratic People's Republic of Korea |
| PAA - PAZ | Netherlands (Kingdom of the) |
| PBA - PBZ | Netherlands (Kingdom of the) |
| PCA - PCZ | Netherlands (Kingdom of the) |
| PDA - PDZ | Netherlands (Kingdom of the) |
| PEA - PEZ | Netherlands (Kingdom of the) |
| PFA - PFZ | Netherlands (Kingdom of the) |
| PGA - PGZ | Netherlands (Kingdom of the) |
| PHA - PHZ | Netherlands (Kingdom of the) |
| PIA - PIZ | Netherlands (Kingdom of the) |
| PJA - PJZ | Netherlands (Kingdom of the) - Bonaire, Sint Eustatius and Saba |
| PJA - PJZ | Netherlands (Kingdom of the) - Curaçao |
| PJA - PJZ | Netherlands (Kingdom of the) - Sint Maarten (Dutch part) |
| PKA - PKZ | Indonesia (Republic of) |
| PLA - PLZ | Indonesia (Republic of) |
| PMA - PMZ | Indonesia (Republic of) |
| PNA - PNZ | Indonesia (Republic of) |
| POA - POZ | Indonesia (Republic of) |
| PPA - PPZ | Brazil (Federative Republic of) |
| PQA - PQZ | Brazil (Federative Republic of) |
| PRA - PRZ | Brazil (Federative Republic of) |
| PSA - PSZ | Brazil (Federative Republic of) |
| PTA - PTZ | Brazil (Federative Republic of) |
| PUA - PUZ | Brazil (Federative Republic of) |
| PVA - PVZ | Brazil (Federative Republic of) |
| PWA - PWZ | Brazil (Federative Republic of) |
| PXA - PXZ | Brazil (Federative Republic of) |
| PYA - PYZ | Brazil (Federative Republic of) |
| PZA - PZZ | Suriname (Republic of) |
| RAA - RAZ | Russian Federation |
| RBA - RBZ | Russian Federation |
| RCA - RCZ | Russian Federation |
| RDA - RDZ | Russian Federation |
| REA - REZ | Russian Federation |
| RFA - RFZ | Russian Federation |
| RGA - RGZ | Russian Federation |
| RHA - RHZ | Russian Federation |
| RIA - RIZ | Russian Federation |
| RJA - RJZ | Russian Federation |
| RKA - RKZ | Russian Federation |
| RLA - RLZ | Russian Federation |
| RMA - RMZ | Russian Federation |
| RNA - RNZ | Russian Federation |
| ROA - ROZ | Russian Federation |
| RPA - RPZ | Russian Federation |
| RQA - RQZ | Russian Federation |
| RRA - RRZ | Russian Federation |
| RSA - RSZ | Russian Federation |
| RTA - RTZ | Russian Federation |
| RUA - RUZ | Russian Federation |
| RVA - RVZ | Russian Federation |
| RWA - RWZ | Russian Federation |
| RXA - RXZ | Russian Federation |
| RYA - RYZ | Russian Federation |
| RZA - RZZ | Russian Federation |
| S2A - S2Z | Bangladesh (People's Republic of) |
| S3A - S3Z | Bangladesh (People's Republic of) |
| S5A - S5Z | Slovenia (Republic of) |
| S6A - S6Z | Singapore (Republic of) |
| S7A - S7Z | Seychelles (Republic of) |
| S8A - S8Z | South Africa (Republic of) |
| S9A - S9Z | Sao Tome and Principe (Democratic Republic of) |
| SAA - SAZ | Sweden |
| SBA - SBZ | Sweden |
| SCA - SCZ | Sweden |
| SDA - SDZ | Sweden |
| SEA - SEZ | Sweden |
| SFA - SFZ | Sweden |
| SGA - SGZ | Sweden |
| SHA - SHZ | Sweden |
| SIA - SIZ | Sweden |
| SJA - SJZ | Sweden |
| SKA - SKZ | Sweden |
| SLA - SLZ | Sweden |
| SMA - SMZ | Sweden |
| SNA - SNZ | Poland (Republic of) |
| SOA - SOZ | Poland (Republic of) |
| SPA - SPZ | Poland (Republic of) |
| SQA - SQZ | Poland (Republic of) |
| SRA - SRZ | Poland (Republic of) |
| SSA - SSM | Egypt (Arab Republic of) |
| SSN - SSZ | Sudan (Republic of the) |
| STA - STZ | Sudan (Republic of the) |
| SUA - SUZ | Egypt (Arab Republic of) |
| SVA - SVZ | Greece |
| SWA - SWZ | Greece |
| SXA - SXZ | Greece |
| SYA - SYZ | Greece |
| SZA - SZZ | Greece |
| T2A - T2Z | Tuvalu |
| T3A - T3Z | Kiribati (Republic of) |
| T4A - T4Z | Cuba |
| T5A - T5Z | Somalia (Federal Republic of) |
| T6A - T6Z | Afghanistan |
| T7A - T7Z | San Marino (Republic of) |
| T8A - T8Z | Palau (Republic of) |
| TAA - TAZ | Republic of Türkiye |
| TBA - TBZ | Republic of Türkiye |
| TCA - TCZ | Republic of Türkiye |
| TDA - TDZ | Guatemala (Republic of) |
| TEA - TEZ | Costa Rica |
| TFA - TFZ | Iceland |
| TGA - TGZ | Guatemala (Republic of) |
| THA - THZ | France |
| TIA - TIZ | Costa Rica |
| TJA - TJZ | Cameroon (Republic of) |
| TKA - TKZ | France |
| TLA - TLZ | Central African Republic |
| TMA - TMZ | France |
| TNA - TNZ | Congo (Republic of the) |
| TOA - TOZ | France |
| TPA - TPZ | France |
| TQA - TQZ | France |
| TRA - TRZ | Gabonese Republic |
| TSA - TSZ | Tunisia |
| TTA - TTZ | Chad (Republic of) |
| TUA - TUZ | Côte d'Ivoire (Republic of) |
| TVA - TVZ | France |
| TWA - TWZ | France |
| TXA - TXZ | France |
| TYA - TYZ | Benin (Republic of) |
| TZA - TZZ | Mali (Republic of) |
| UAA - UAZ | Russian Federation |
| UBA - UBZ | Russian Federation |
| UCA - UCZ | Russian Federation |
| UDA - UDZ | Russian Federation |
| UEA - UEZ | Russian Federation |
| UFA - UFZ | Russian Federation |
| UGA - UGZ | Russian Federation |
| UHA - UHZ | Russian Federation |
| UIA - UIZ | Russian Federation |
| UJA - UJZ | Uzbekistan (Republic of) |
| UKA - UKZ | Uzbekistan (Republic of) |
| ULA - ULZ | Uzbekistan (Republic of) |
| UMA - UMZ | Uzbekistan (Republic of) |
| UNA - UNZ | Kazakhstan (Republic of) |
| UOA - UOZ | Kazakhstan (Republic of) |
| UPA - UPZ | Kazakhstan (Republic of) |
| UQA - UQZ | Kazakhstan (Republic of) |
| URA - URZ | Ukraine |
| USA - USZ | Ukraine |
| UTA - UTZ | Ukraine |
| UUA - UUZ | Ukraine |
| UVA - UVZ | Ukraine |
| UWA - UWZ | Ukraine |
| UXA - UXZ | Ukraine |
| UYA - UYZ | Ukraine |
| UZA - UZZ | Ukraine |
| V2A - V2Z | Antigua and Barbuda |
| V3A - V3Z | Belize |
| V4A - V4Z | Saint Kitts and Nevis (Federation of) |
| V5A - V5Z | Namibia (Republic of) |
| V6A - V6Z | Micronesia (Federated States of) |
| V7A - V7Z | Marshall Islands (Republic of the) |
| V8A - V8Z | Brunei Darussalam |
| VAA - VAZ | Canada |
| VBA - VBZ | Canada |
| VCA - VCZ | Canada |
| VDA - VDZ | Canada |
| VEA - VEZ | Canada |
| VFA - VFZ | Canada |
| VGA - VGZ | Canada |
| VHA - VHZ | Australia |
| VIA - VIZ | Australia |
| VJA - VJZ | Australia |
| VKA - VKZ | Australia |
| VLA - VLZ | Australia |
| VMA - VMZ | Australia |
| VNA - VNZ | Australia |
| VOA - VOZ | Canada |
| VPA - VPZ | United Kingdom of Great Britain and Northern Ireland |
| VQA - VQZ | United Kingdom of Great Britain and Northern Ireland |
| VRA - VRZ | China (People's Republic of) - Hong Kong |
| VSA - VSZ | United Kingdom of Great Britain and Northern Ireland |
| VTA - VTZ | India (Republic of) |
| VUA - VUZ | India (Republic of) |
| VVA - VVZ | India (Republic of) |
| VWA - VWZ | India (Republic of) |
| VXA - VXZ | Canada |
| VYA - VYZ | Canada |
| VZA - VZZ | Australia |
| WAA - WAZ | United States of America |
| WBA - WBZ | United States of America |
| WCA - WCZ | United States of America |
| WDA - WDZ | United States of America |
| WEA - WEZ | United States of America |
| WFA - WFZ | United States of America |
| WGA - WGZ | United States of America |
| WHA - WHZ | United States of America |
| WIA - WIZ | United States of America |
| WJA - WJZ | United States of America |
| WKA - WKZ | United States of America |
| WLA - WLZ | United States of America |
| WMA - WMZ | United States of America |
| WNA - WNZ | United States of America |
| WOA - WOZ | United States of America |
| WPA - WPZ | United States of America |
| WQA - WQZ | United States of America |
| WRA - WRZ | United States of America |
| WSA - WSZ | United States of America |
| WTA - WTZ | United States of America |
| WUA - WUZ | United States of America |
| WVA - WVZ | United States of America |
| WWA - WWZ | United States of America |
| WXA - WXZ | United States of America |
| WYA - WYZ | United States of America |
| WZA - WZZ | United States of America |
| XAA - XAZ | Mexico |
| XBA - XBZ | Mexico |
| XCA - XCZ | Mexico |
| XDA - XDZ | Mexico |
| XEA - XEZ | Mexico |
| XFA - XFZ | Mexico |
| XGA - XGZ | Mexico |
| XHA - XHZ | Mexico |
| XIA - XIZ | Mexico |
| XJA - XJZ | Canada |
| XKA - XKZ | Canada |
| XLA - XLZ | Canada |
| XMA - XMZ | Canada |
| XNA - XNZ | Canada |
| XOA - XOZ | Canada |
| XPA - XPZ | Denmark |
| XQA - XQZ | Chile |
| XRA - XRZ | Chile |
| XSA - XSZ | China (People's Republic of) |
| XTA - XTZ | Burkina Faso |
| XUA - XUZ | Cambodia (Kingdom of) |
| XVA - XVZ | Viet Nam (Socialist Republic of) |
| XWA - XWZ | Lao People's Democratic Republic |
| XXA - XXZ | China (People's Republic of) - Macao |
| XYA - XYZ | Myanmar (Union of) |
| XZA - XZZ | Myanmar (Union of) |
| Y2A - Y2Z | Germany (Federal Republic of) |
| Y3A - Y3Z | Germany (Federal Republic of) |
| Y4A - Y4Z | Germany (Federal Republic of) |
| Y5A - Y5Z | Germany (Federal Republic of) |
| Y6A - Y6Z | Germany (Federal Republic of) |
| Y7A - Y7Z | Germany (Federal Republic of) |
| Y8A - Y8Z | Germany (Federal Republic of) |
| Y9A - Y9Z | Germany (Federal Republic of) |
| YAA - YAZ | Afghanistan |
| YBA - YBZ | Indonesia (Republic of) |
| YCA - YCZ | Indonesia (Republic of) |
| YDA - YDZ | Indonesia (Republic of) |
| YEA - YEZ | Indonesia (Republic of) |
| YFA - YFZ | Indonesia (Republic of) |
| YGA - YGZ | Indonesia (Republic of) |
| YHA - YHZ | Indonesia (Republic of) |
| YIA - YIZ | Iraq (Republic of) |
| YJA - YJZ | Vanuatu (Republic of) |
| YKA - YKZ | Syrian Arab Republic |
| YLA - YLZ | Latvia (Republic of) |
| YMA - YMZ | Republic of Türkiye |
| YNA - YNZ | Nicaragua |
| YOA - YOZ | Romania |
| YPA - YPZ | Romania |
| YQA - YQZ | Romania |
| YRA - YRZ | Romania |
| YSA - YSZ | El Salvador (Republic of) |
| YTA - YTZ | Serbia (Republic of) |
| YUA - YUZ | Serbia (Republic of) |
| YVA - YVZ | Venezuela (Bolivarian Republic of) |
| YWA - YWZ | Venezuela (Bolivarian Republic of) |
| YXA - YXZ | Venezuela (Bolivarian Republic of) |
| YYA - YYZ | Venezuela (Bolivarian Republic of) |
| Z2A - Z2Z | Zimbabwe (Republic of) |
| Z3A - Z3Z | North Macedonia (Republic of) |
| Z8A - Z8Z | South Sudan (Republic of) |
| ZAA - ZAZ | Albania (Republic of) |
| ZBA - ZBZ | United Kingdom of Great Britain and Northern Ireland |
| ZCA - ZCZ | United Kingdom of Great Britain and Northern Ireland |
| ZDA - ZDZ | United Kingdom of Great Britain and Northern Ireland |
| ZEA - ZEZ | United Kingdom of Great Britain and Northern Ireland |
| ZFA - ZFZ | United Kingdom of Great Britain and Northern Ireland |
| ZGA - ZGZ | United Kingdom of Great Britain and Northern Ireland |
| ZHA - ZHZ | United Kingdom of Great Britain and Northern Ireland |
| ZIA - ZIZ | United Kingdom of Great Britain and Northern Ireland |
| ZJA - ZJZ | United Kingdom of Great Britain and Northern Ireland |
| ZKA - ZKZ | New Zealand |
| ZLA - ZLZ | New Zealand |
| ZMA - ZMZ | New Zealand |
| ZNA - ZNZ | United Kingdom of Great Britain and Northern Ireland |
| ZOA - ZOZ | United Kingdom of Great Britain and Northern Ireland |
| ZPA - ZPZ | Paraguay (Republic of) |
| ZQA - ZQZ | United Kingdom of Great Britain and Northern Ireland |
| ZRA - ZRZ | South Africa (Republic of) |
| ZSA - ZSZ | South Africa (Republic of) |
| ZTA - ZTZ | South Africa (Republic of) |
| ZUA - ZUZ | South Africa (Republic of) |
| ZVA - ZVZ | Brazil (Federative Republic of) |
| ZWA - ZWZ | Brazil (Federative Republic of) |
| ZXA - ZXZ | Brazil (Federative Republic of) |
| ZYA - ZYZ | Brazil (Federative Republic of) |
| ZZA - ZZZ | Brazil (Federative Republic of) |
International Telecommunication Union: Table of International Call Sign Series (Appendix 42 to the RR) (https://www.itu.int/en/ITU-R/terrestrial/fmd/Pages/call_sign_series.aspx [1.8.2026])