What short message can I send to close the international Hong Kong, Macao and Taiwan authorities?

Edit "6763" or "QXMYQX" and send it to 1000 1 to close roaming rights in international, Hong Kong, Macao and Taiwan regions. Guizhou users pay attention to China Telecom's customer service in Guizhou. The official account of WeChat can be paid by WeChat, and the phone bill can be recharged with one click. Traffic, points, bills and detailed bills can be operated by themselves, which is convenient and fast. Customer service 222 will answer your questions.