It is called Hindu-Arabic. It revolved from Arabia. It is much more efficient then other number systems like Egyptian etc.
61
To call an Australian number from another country, you need to dial the international dialing code for your country, followed by the country code for Australia (61), and then the Australian phone number you wish to call. Make sure to include the area code if necessary.
To call from the US to an Australian mobile phone, dial 011 = international access prefix 61 = country code for Australia the Australian mobile number, omitting the leading 0 To call an Australian mobile that is roaming in the US, dial the Australian number as you normally would.
To call an Australian number, you need to dial the country code for Australia, which is 61, followed by the Australian area code and the local phone number. Make sure to include the correct number of digits and any necessary prefixes, such as a "0" before the area code.
The early Australian Aborigines did not have a number system. They lived completely off the land, and the only thing they needed to be able to do was to read the signs in the weather patterns and the environment. There was no need for a number system.
To call an Australian mobile phone, you dial the Australian mobile number. It does not matter if the mobile phone is physically in Australia, Honolulu, or anywhere else.
Arabia, that is why it is called Arabic.
To call an Australian mobile phone from the USA, you need to dial the international dialing code for the USA (which is 1), followed by the country code for Australia (which is 61), and then the Australian mobile phone number you wish to call. Make sure to include the Australian mobile phone number's area code and remove any leading zeros.
First 61 then the area code without the preceeding 0 then the phone number.
To call an Australian number from overseas, you need to dial the country code for Australia, which is 61, followed by the Australian area code (without the leading zero), and then the local phone number. Make sure to check for any additional international dialing codes required by your phone service provider.
Arabic number system.See Where_did_the_Australian_number_system_come_fromand What_is_the_name_of_the_English_number_systemfor related information.
Dial 00 = international access prefix from France 61 = country code for Australia and then the Australian number, omitting the leading '0'