- Within the nine-digit number, 8 is the Australian area code for the central and west region. 9164 is the exchange for Christmas Island within are code 8.
- Do not include a leading ‘0’ in the international call sequence – it is only used in the Australian phone system for domestic long distance calls.
- A leading '+' in the phone number means 'dial your country's exit code'.
- Calling from a mobile phone: dial from on the country where you're currently located.
- Calling from a VoIP or satellite phone: dial from on the country where the phone is registered.
Use the same call sequence.
In the Australian phone system, area codes ‘4’ and ‘5’ are reserved for mobiles.
Calling a mobile phone registered in Christmas Island but roaming outside of Christmas Island / Australia: dial the regular call sequence to a Christmas Island / Australian mobile phone.
Calling a mobile phone user currently roaming in Christmas Island / Australia with a phone is registered outside of Australia: call the country where the mobile phone is registered.
Use the same call sequence.
VoIP numbers use area code ‘5’ and the local number starts with ’50’.
Calling a VoIP phone registered in Christmas Island / Australia with the user roaming outside of Christmas Island / Australia: dial the regular call sequence to an Australian VoIP phone.
Calling a VoIP phone user currently roaming in Christmas Island / Australia with a phone is registered outside of Christmas Island / Australia: call the country where the VoIP phone is registered.
Phone numbers beginning with ’14’ are designated for Australian satellite phone services. For these phone numbers used the same call sequence.
Most satellite phones operate on their country code – calls to these satellite phones follow their call sequence.
Use the same call sequence.
Dial all calls within Christmas Island as local calls.
When calling within Christmas Island, only the eight digit local number (starting with 9164) is needed. There is no need to dial the trunk prefix and area code ‘8’ when calling within Christmas Island.
|eight digit number|
|local phone number|
‘0’ is used as a trunk prefix used when calling between Christmas Island and Australia or the Cocos (Keeling) Islands.
|0||one digit||eight digits|
|trunk prefix||area code||local phone number|
Christmas Island phone numbers are part of the Australian phone system.
|Australian country code|
Australian country code: +61 – the country code for Australia in the international phone system.
Exchange: 9164 – the exchange for Christmas Island within Australia’s area code ‘8’.
Local phone number: four digits.
The Christmas Island Tourism Association lists its phone number as +61 8 9164 8382.
|country code for Australia||geographic (area) code for central and west Australia||exchange for Christmas Island within area code '8'||local phone number in Christmas Island|
Local example – dialing from another location in Christmas Island
Only the eight-digit local phone number is dialed when calling between locations on Christmas Island.
|exchange for Christmas Island||local phone number in Christmas Island|
Australian phone system – dialing from Australia or the Cocos (Keeling) Islands
|trunk prefix||area code for western and central Australia||exchange for Christmas Island||local phone number in Christmas Island|
International example – dialing from outside Australia
… to Australia and the Cocos (Keeling) Islands
Dial the call as an Australian domestic call.
… to everywhere else
‘0011’ is used as an international exit code when dialing an international call from Christmas Island.
- Yellow Pages (business) – Largest business directory covering all of Australia. Has the ability to filter for Christmas Island
- White Pages (residential & alphabetical) – Alphabetical listing of people and places in Australia. Has the ability to filter for Christmas Island.
- Shire of Christmas Island Directory – Government directory for the Shire of Christmas Island (local administrative body).
- ACMA (Australian Communications and Media Authority) – Regulatory body including oversight and management of the telephone numbering system.
- ITU (International Telecommunications Union) – United Nations specalized agency for information and communications technologies.
- International Telecommunications Union – DIALLING PROCEDURES (INTERNATIONAL PREFIX, NATIONAL (TRUNK) PREFIX AND NATIONAL (SIGNIFICANT) NUMBER) (IN ACCORDANCE WITH ITU-T RECOMMENDATION E.164 (11/2010)) – A collection of dialing procedures for all countries and regions of the world. Retrieved 16 September 2016.
- International Telecommunications Union – Australia (country code +61) Communication of 25.V.2011 – Details of Australia’s telephone numbering plan as submitted to the ITU. Retrieved 16 September 2016.
- Legislation.gov.au – Telecommunications Numbering Plan 2015 (2016) – Legislation on the numbering plan for Australia’s phone system. Retrieved 16 September 2016.
- Wikipedia – Telephone numbers in Australia – Wikipedia entry for telephone number data for Australia. Includes specific number ranges for each city as well as detail on calling procedures.
- Wikipedia – Telephone numbers in Christmas Island – Wikipedia entry for telephone number data for Christmas Island.
- Christmas Island Tourism Association – Useful information for Visitors – Summary of useful information for visits to Christmas Island.
- Australian Government Department of Infrastructure and Regional Development – Christmas Island traveller information – Summary of useful information for visits to Christmas Island.