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ITU prefix

The ITU allocate callsign prefixes for radio stations. These prefixes are internationally agreed. A callsign can be any number of letters and digits but each country must only use callsigns that begin with the characters allocated for use in that country.

Of the second and or third letter of the prefix in the list below, if the country 'owns' all of A to Z in that position, then that country can also use the digits 0 to 9 in that position.

E.g. The USA owns KAA - KZZ so can also use prefixes like KA1 KP4 K5 K9 and so on.

The USA also owns AAA - ALZ so can use AL4 AL8 etc but can NOT use A4 or A9 because they do not own the whole of AA to AZ they only have AA to AL.

See also Country_codes

      Table of Allocation of International Call Sign Series  

    Call Sign 
    Series      Allocated to

    AAA-ALZ     United States of America 
    AMA-AOZ     Spain 
    APA-ASZ     Pakistan (Islamic Republic of) 
    ATA-AWZ     India (Republic of) 
    AXA-AXZ     Australia 
    AYA-AZZ     Argentine Republic 
    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 (State of) 

    BAA-BZZ     China (People's Republic of) 

    CAA-CEZ     Chile 
    CFA-CKZ     Canada 
    CLA-CMZ     Cuba 
    CNA-CNZ     Morocco (Kingdom of) 
    COA-COZ     Cuba 
    CPA-CPZ     Bolivia (Republic of) 
    CQA-CUZ     Portugal 
    CVA-CXZ     Uruguay (Eastern Republic of) 
    CYA-CZZ     Canada 
    C2A-C2Z     Nauru (Republic of) 
    C3A-C3Z     Andorra (Principality of) 
    C4A-C4Z     Cyprus (Republic of) 
    C5A-C5Z     The Gambia (Republic of) 
    C6A-C6Z     Bahamas (Commonwealth of the) 
    C7A-C7Z     World Meteorological Organization   ~Note 1
    C8A-C9Z     Mozambique (Republic of) 

    DAA-DRZ     Germany (Federal Republic of) 
    DSA-DTZ     Korea (Republic of) 
    DUA-DZZ     Philippines (Republic of the) 
    D2A-D3Z     Angola (Republic of) 
    D4A-D4Z     Cape Verde (Republic of) 
    D5A-D5Z     Liberia (Republic of) 
    D6A-D6Z     Comoros (Islamic Federal Republic of the) 
    D7A-D9Z     Korea (Republic of) 

    EAA-EHZ     Spain 
    EIA-EJZ     Ireland 
    EKA-EKZ     Armenia (Republic of) 
    ELA-ELZ     Liberia (Republic of) 
    EMA-EOZ     Ukraine 
    EPA-EQZ     Iran (Islamic Republic of) 
    ERA-ERZ     Moldova (Republic of) 
    ESA-ESZ     Estonia (Republic of) 
    ETA-ETZ     Ethiopia (Federal Democratic Republic of)
    EUA-EWZ     Belarus (Republic of) 
    EXA-EXZ     Kyrgyz Republic 
    EYA-EYZ     Tajikistan (Republic of) 
    EZA-EZZ     Turkmenistan 
    E2A-E2Z     Thailand 
    E3A-E3Z     Eritrea 
    E4A-E4Z     Palestine   ~Note 2

    FAA-FZZ     France 

    GAA-GZZ     United Kingdom of Great Britain and Northern Ireland 

    HAA-HAZ     Hungary (Republic of) 
    HBA-HBZ     Switzerland (Confederation of) 
    HCA-HDZ     Ecuador 
    HEA-HEZ     Switzerland (Confederation of) 
    HFA-HFZ     Poland (Republic of) 
    HGA-HGZ     Hungary (Republic of) 
    HHA-HHZ     Haiti (Republic of) 
    HIA-HIZ     Dominican Republic 
    HJA-HKZ     Colombia (Republic of) 
    HLA-HLZ     Korea (Republic of) 
    HMA-HMZ     Democratic People's Republic of Korea 
    HNA-HNZ     Iraq (Republic of) 
    HOA-HPZ     Panama (Republic of) 
    HQA-HRZ     Honduras (Republic of) 
    HSA-HSZ     Thailand 
    HTA-HTZ     Nicaragua 
    HUA-HUZ     El Salvador (Republic of) 
    HVA-HVZ     Vatican City State 
    HWA-HYZ     France 
    HZA-HZZ     Saudi Arabia (Kingdom of) 
    H2A-H2Z     Cyprus (Republic of) 
    H3A-H3Z     Panama (Republic of) 
    H4A-H4Z     Solomon Islands 
    H6A-H7Z     Nicaragua 
    H8A-H9Z     Panama (Republic of) 

    IAA-IZZ     Italy 

    JAA-JSZ     Japan 
    JTA-JVZ     Mongolia 
    JWA-JXZ     Norway 
    JYA-JYZ     Jordan (Hashemite Kingdom of) 
    JZA-JZZ     Indonesia (Republic of) 
    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 

    KAA-KZZ     United States of America 

    LAA-LNZ     Norway 
    LOA-LWZ     Argentine Republic 
    LXA-LXZ     Luxembourg 
    LYA-LYZ     Lithuania (Republic of) 
    LZA-LZZ     Bulgaria (Republic of) 
    L2A-L9Z     Argentine Republic 

    MAA-MZZ     United Kingdom of Great Britain and Northern Ireland 

    NAA-NZZ     United States of America 

    OAA-OCZ     Peru 
    ODA-ODZ     Lebanon 
    OEA-OEZ     Austria 
    OFA-OJZ     Finland 
    OKA-OLZ     Czech Republic 
    OMA-OMZ     Slovak Republic 
    ONA-OTZ     Belgium 
    OUA-OZZ     Denmark 

    PAA-PIZ     Netherlands (Kingdom of the) 
    PJA-PJZ     Netherlands (Kingdom of the) - Netherlands Antilles 
    PKA-POZ     Indonesia (Republic of) 
    PPA-PYZ     Brazil (Federative Republic of) 
    PZA-PZZ     Suriname (Republic of) 
    P2A-P2Z     Papua New Guinea 
    P3A-P3Z     Cyprus (Republic of) 
    P4A-P4Z     Aruba 
    P5A-P9Z     Democratic People's Republic of Korea 

                There are no prefixes beginning Q    ~Note 3

    RAA-RZZ     Russian Federation 

    SAA-SMZ     Sweden 
    SNA-SRZ     Poland (Republic of) 
    SSA-SSM     Egypt (Arab Republic of) 
    SSN-STZ     Sudan (Republic of the) 
    SUA-SUZ     Egypt (Arab Republic of) 
    SVA-SZZ     Greece 
    S2A-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) 

    TAA-TCZ     Turkey 
    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-TQZ     France 
    TRA-TRZ     Gabonese Republic 
    TSA-TSZ     Tunisia 
    TTA-TTZ     Chad (Republic of) 
    TUA-TUZ     Côte d'Ivoire (Republic of) 
    TVA-TXZ     France 
    TYA-TYZ     Benin (Republic of) 
    TZA-TZZ     Mali (Republic of) 
    T2A-T2Z     Tuvalu 
    T3A-T3Z     Kiribati (Republic of) 
    T4A-T4Z     Cuba 
    T5A-T5Z     Somali Democratic Republic 
    T6A-T6Z     Afghanistan (Islamic State of) 
    T7A-T7Z     San Marino (Republic of) 
    T8A-T8Z     Palau (Republic of) 
    T9A-T9Z     Bosnia and Herzegovina (Republic of) 

    UAA-UIZ     Russian Federation 
    UJA-UMZ     Uzbekistan (Republic of) 
    UNA-UQZ     Kazakhstan (Republic of) 
    URA-UZZ     Ukraine 

    VAA-VGZ     Canada 
    VHA-VNZ     Australia 
    VOA-VOZ     Canada 
    VPA-VQZ     United Kingdom of Great Britain and Northern Ireland 
    VRA-VRZ     China (People's Republic of) - Hong Kong   ~Note 2
    VSA-VSZ     United Kingdom of Great Britain and Northern Ireland 
    VTA-VWZ     India (Republic of) 
    VXA-VYZ     Canada 
    VZA-VZZ     Australia 
    V2A-V2Z     Antigua and Barbuda 
    V3A-V3Z     Belize 
    V4A-V4Z     Saint Kitts and Nevis 
    V5A-V5Z     Namibia (Republic of) 
    V6A-V6Z     Micronesia (Federated States of) 
    V7A-V7Z     Marshall Islands (Republic of the) 
    V8A-V8Z     Brunei Darussalam 

    WAA-WZZ     United States of America 

    XAA-XIZ     Mexico 
    XJA-XOZ     Canada 
    XPA-XPZ     Denmark 
    XQA-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     Portugal 
    XYA-XZZ     Myanmar (Union of) 

    YAA-YAZ     Afghanistan (Islamic State of) 
    YBA-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     Turkey 
    YNA-YNZ     Nicaragua 
    YOA-YRZ     Romania 
    YSA-YSZ     El Salvador (Republic of) 
    YTA-YUZ     Yugoslavia (Federal Republic of) 
    YVA-YYZ     Venezuela (Republic of) 
    YZA-YZZ     Yugoslavia (Federal Republic of) 
    Y2A-Y9Z     Germany (Federal Republic of) 

    ZAA-ZAZ     Albania (Republic of) 
    ZBA-ZJZ     United Kingdom of Great Britain and Northern Ireland 
    ZKA-ZMZ     New Zealand 
    ZNA-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-ZUZ     South Africa (Republic of) 
    ZVA-ZZZ     Brazil (Federative Republic of) 
    Z2A-Z2Z     Zimbabwe (Republic of) 
    Z3A-Z3Z     The Former Yugoslav Republic of Macedonia 

    2AA-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     Swaziland (Kingdom of)    ~Note 1
    3DN-3DZ     Fiji (Republic of)        ~Note 1
    3EA-3FZ     Panama (Republic of) 
    3GA-3GZ     Chile 
    3HA-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-4CZ     Mexico 
    4DA-4IZ     Philippines (Republic of the) 
    4JA-4KZ     Azerbaijani Republic 
    4LA-4LZ     Georgia (Republic of) 
    4MA-4MZ     Venezuela (Republic of) 
    4NA-4OZ     Yugoslavia (Federal Republic of) 
    4PA-4SZ     Sri Lanka (Democratic Socialist Republic of) 
    4TA-4TZ     Peru 
    4UA-4UZ     United Nations         ~Note 1
    4VA-4VZ     Haiti (Republic of) 
    4WA-4WZ     United Nations
    4XA-4XZ     Israel (State of) 
    4YA-4YZ     International Civil Aviation Organization   ~Note 1
    4ZA-4ZZ     Israel (State of) 

    5AA-5AZ     Libya (Socialist People's Libyan Arab Jamahiriya) 
    5BA-5BZ     Cyprus (Republic of) 
    5CA-5GZ     Morocco (Kingdom of) 
    5HA-5IZ     Tanzania (United Republic of) 
    5JA-5KZ     Colombia (Republic of) 
    5LA-5MZ     Liberia (Republic of) 
    5NA-5OZ     Nigeria (Federal Republic of) 
    5PA-5QZ     Denmark 
    5RA-5SZ     Madagascar (Republic of) 
    5TA-5TZ     Mauritania (Islamic Republic of) 
    5UA-5UZ     Niger (Republic of the) 
    5VA-5VZ     Togolese Republic 
    5WA-5WZ     Western Samoa (Independent State of) 
    5XA-5XZ     Uganda (Republic of) 
    5YA-5ZZ     Kenya (Republic of) 

    6AA-6BZ     Egypt (Arab Republic of) 
    6CA-6CZ     Syrian Arab Republic 
    6DA-6JZ     Mexico 
    6KA-6NZ     Korea (Republic of) 
    6OA-6OZ     Somali Democratic Republic 
    6PA-6SZ     Pakistan (Islamic Republic of) 
    6TA-6UZ     Sudan (Republic of the) 
    6VA-6WZ     Senegal (Republic of) 
    6XA-6XZ     Madagascar (Republic of) 
    6YA-6YZ     Jamaica 
    6ZA-6ZZ     Liberia (Republic of) 

    7AA-7IZ     Indonesia (Republic of) 
    7JA-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-7YZ     Algeria (People's Democratic Republic of) 
    7ZA-7ZZ     Saudi Arabia (Kingdom of) 

    8AA-8IZ     Indonesia (Republic of) 
    8JA-8NZ     Japan 
    8OA-8OZ     Botswana (Republic of) 
    8PA-8PZ     Barbados 
    8QA-8QZ     Maldives (Republic of) 
    8RA-8RZ     Guyana 
    8SA-8SZ     Sweden 
    8TA-8YZ     India (Republic of) 
    8ZA-8ZZ     Saudi Arabia (Kingdom of) 

    9AA-9AZ     Croatia (Republic of) 
    9BA-9DZ     Iran (Islamic Republic of) 
    9EA-9FZ     Ethiopia (Federal Democratic Republic of)
    9GA-9GZ     Ghana 
    9HA-9HZ     Malta 
    9IA-9JZ     Zambia (Republic of) 
    9KA-9KZ     Kuwait (State of) 
    9LA-9LZ     Sierra Leone 
    9MA-9MZ     Malaysia 
    9NA-9NZ     Nepal 
    9OA-9TZ     Democratic Republic of the Congo 
    9UA-9UZ     Burundi (Republic of) 
    9VA-9VZ     Singapore (Republic of) 
    9WA-9WZ     Malaysia 
    9XA-9XZ     Rwandese Republic 
    9YA-9ZZ     Trinidad and Tobago 

~Note 1: Series allocated to an international organization.

~Note 2: Provisional allocation in accordance with No. S19.33:

(S19.33 Between radiocommunication conferences, the Secretary-General is authorized to deal with questions relating to changes in the allocation of series of call signs, on a provisional basis, and subject to confirmation by the following conference).

~Note 3: Three letter codes beginning with Q are for communication abbreviations, the Q Codes and not used as callsign prefixes.



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