Call signs in Asia are rarely used to identify broadcast stations. In most Asian countries, broadcast stations use other forms of identification. Japan, South Korea, Indonesia, the Philippines and Taiwan are exceptions to this rule. Amateur radio stations in India, Pakistan, Korea and Japan are allocated call-signs.
The Wireless and Planning and Coordination Wing (WPC), a division of the Ministry of Communications and Information Technology, regulates amateur radio in India. Amateur radio call-signs of Pakistan are issued by the Pakistan Telecommunication Authority (PTA). The PARS operates a QSL bureau for those amateur radio operators in regular contact with amateur radio operators in other countries, and supports amateur radio operating awards and radio contests. The Pakistan Amateur Radio Society represents the interest of Pakistan amateur radio operators before national and international regulatory authorities. PARS is the national member society representing Pakistan in the International Amateur Radio Union.
In Japan, it is regulated by the Ministry of Internal Affairs and Communications with the Japan Amateur Radio League acting as a national amateur radio organization. In South Korea call signs are regulated by the Korea Communications Commission in the Ministry of Information and Communication.
The International Telecommunication Union has assigned Pakistan the cal signs APA through to ASZ. It has divided all countries into three regions; Pakistan is located in ITU Region 3. These regions are further divided into two competing zones,the ITU and the CQ.
The Pakistan Amateur Radio Society (PARS), a national non-profit organization for amateur radio enthusiasts, does not assigns call signs but call signs are assigned by Pakistan Telecommunication Authority (PTA). The PARS operates a QSL bureau for amateur radio operators in contact with amateur radio operators in other countries, and supports amateur radio operating awards and radio contests. The Pakistan Amateur Radio Society represents the interest of Pakistan amateur radio operators before national and international regulatory authorities. PARS is the national member society representing Pakistan in the International Amateur Radio Union.