PREFIX. COUNTRY. CQ-ZONE. ITU-ZONE. A2. Botswana. A3. Tonga Isl. A4. Oman & Muscat. A5. Bhutan. A6. United eazye.infoes. A7.
The American Radio Relay League (ARRL) is the national association for amateur radio, connecting hams around the U.S. with news, information and resources.
Contains a list of international radio call dign prefixes sorted alphabetically by country or organization. Doretta Smith Oregon Coast REALTOR® International call sign prefix series. Share This. International Radio Call Sign Prefixes by Country Call sign prefixes sorted alphabetically by country or organization Amateur. Aviation.
The prefixes used by a country for both commercial and amateur radio purposes are determined from one or more ITU allocation blocks issued to that country. Callsigns use combinations based on those prefixes. The list below shows amateur callsign prefixes currently in use. Note: The ITU has not authorised any 1x and Qx series callsigns.