+853 represents the country code for Macao. After generating, you have the option to switch to the international format by modifying the display to 'INTL.'The IDD prefix is 00.In Macao, Landline, Mobile Phone, Toll Free Call are offered by 3, China Telecom, CTM, Guangxing Communication Co, SmarTone, who serve as the primary operators.

8 digits typically make up the majority of mobile phone numbers in Macao.The number can be format as 6612 3456 in national format, or +853 6612 3456 in international E.164 format.

8 digits typically make up the majority of landline phone numbers in Macao.It can be format as 2821 2345 in national format, or +853 2821 2345 in international.

Here are some example phone numbers from Macao:

• Landline : 2821 2345 / +853 2821 2345

• Mobile Phone : 6612 3456 / +853 6612 3456

• Toll Free Call : 0800 501 / +853 0800 501

Disclaimer: The Macao phone numbers provided here cannot be used as real phone numbers. They cannot be used to send or receive SMS messages, OTP verification on platforms like WhatsApp, Facebook, Twitter or Google. They are just randomly generated fake Macao phone numbers used for data testing or other testing purposes. To clarify, all of these randomly generated phone numbers adhere to the rules for Macao phone numbers.

Refference

• Telephone numbers by country -wikipedia
• List of country calling codes -wikipedia
• International direct dialing IDD
• ITU-T E.164

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