Making calls from Panama to Macau is possible, but there are a few things you need to know in order to make the call successfully. First, you need to find out the international calling code for both Panama and Macau. For Panama, the code is +507, and for Macau, it is +853. Next, you need to dial the international access code for your country, which in Panama is 00, and in Macau is 00. After that, you dial the country code for Panama, which is 507, and for Macau, it is 853. Finally, you dial the phone number you are trying to reach in Macau.