Australia's telephone country code is +61.
'00' isn't part of the country code, it is a commonly used international access prefix. Country code +61 is Australia, but there are no valid numbers beginning with +61 0. Conclusion: invalid code.
61 is the Country Code for Australia, but no Australian phone Area Code numbers begin with a 6, so no numbers will begin 61642...
The ISO for Canberra is either CBR or AU-CBR The telephone country code for Australia is +61; the area code for Canberra is +61 2, followed by an 8-digit number. (All numbers in Canberra begin with +61 2 61 or +61 2 62, but that may change in the future.)
+61 is the telephone country code for Australia, and +61 4 is the start of a mobile number (04 in domestic format). There should be 8 more digits following.
The most reliable way is to enter all telephone numbers in international format, beginning with the plus symbol and the country code. For US and Canadian numbers, just prefix the domestic number with telephone country code +1; for example, +1 314 555 0123. To call Australia, replace the trunk prefix 0 of the Australian domestic telephone number with telephone country code +61. For example, Queensland's area code 07 becomes +61 7.
Leichtenstein is telephone country code +423.
where is telephone country code 1816
That is not a country code.
Telephone country code +61 is Australia, and numbers beginning with +61 4 are mobiles. However, it is incorrect to refer to "country code +614"; the correct country code is just +61.(The plus signmeans "insert your international access prefix here." From a GSM mobile phone, you can enter the number in full international format, starting with the plus sign. The most common prefix is 00, but North America (USA, Canada, etc.) uses 011, Japan uses 010, Australia uses 0011, and many other countries use different prefixes.)
The telephone country code for Australia is +61, and you must drop the trunk prefix 0 from the beginning of the Australian domestic telephone number. For example, Sydney's area code 02 becomes +61 2. If your Vonage service has a US telephone number, then you use the prefix 011 in place of the plus symbol.
There is no 909 country code.