Telephone numbers in Norfolk Island Telephone numbers in Norfolk Island In Norfolk Island: Country code +672 was originally assigned to Portuguese Timor until annexed by Indonesia in 1975. It is also used for the Australian Antarctic Territory, whose numbers are in area code 1. The code was also used for Christmas Island and the Cocos Keeling Islands until October 1994 (encompassing area codes 2 and 4), when they were migrated to the +61 country code, under area code 091 (using exchange prefixes 62 for Christmas Island and 64 for the Cocos Islands). These numbers have since been migrated to 08 9162 and 08 9164 respectively.
Area code 684 most commonly are 733 or 258 numbers. The 684 area code came into effect 2 October 2004. Before then, American Samoa did not participate in the NANP, but used the same number (684) as its International Telecommunication Union country code. Area code 684 Area code 684 is the number assigned to telephones in American Samoa. The area code system is part of the North American Numbering Plan, NANP. Access to telephones in this area from telephone outside the region need to be aware of the country code, which is "1". Business cards and letterhead may list their telephone number as