Area Code 10 – Davis

Overview of Norfolk Island's +672 10 Geographic Prefix

Norfolk Island, an external territory of Australia, is assigned the country calling code +672 by the International Telecommunication Union (ITU) under the E.164 numbering plan. Within this framework, the prefix 10 serves as a geographic National Destination Code (NDC) for the island's capital and main settlement, Kingston, and its surrounding areas, including the historic district of Davis. This code is used for fixed-line PSTN services, facilitating both local and international voice communication.

Coverage and Administrative Jurisdiction

The +672 10 prefix covers the entire island, with a particular concentration in the administrative and commercial hub of Kingston. As the seat of the Norfolk Island Regional Council, Kingston hosts key government offices, heritage sites, and a small number of residential and business lines. The prefix is allocated to the island's sole fixed-line operator, which provides traditional copper and VoIP-based services. Due to the island's small population (approximately 1,700 residents), the number of active lines under this prefix is limited, but it remains essential for local connectivity.

Dialing Formats and Caller Instructions

• Local Calls (within Norfolk Island): When dialing a number within the +672 10 prefix, callers should use the 8-digit local number format: 10 XXX XXXX. For example, a local call to a business in Kingston would be dialed as 10 123 4567.
• International Calls (from outside Norfolk Island): Callers from overseas must dial the international access prefix (e.g., 00 from most countries, 011 from the US/Canada), followed by the country code +672, then the NDC and local number. For instance, to reach the same number from the United States, dial 011 672 10 123 4567.
• Calls from Norfolk Island to other countries: To make an international call from Norfolk Island, dial the international prefix 00, then the destination country code, area code, and local number.

Overlay and Numbering Considerations

Norfolk Island does not currently have an overlay code for its fixed-line services; the +672 10 prefix is the sole geographic NDC for the island. However, the country also uses +672 3 for the external territory of the Cocos (Keeling) Islands and +672 1 for the Australian Antarctic Territory, but these are separate and not interchangeable. It is important to note that +672 is not used for mobile services on Norfolk Island; mobile numbers are assigned under Australia's +61 country code, as the island uses Australian mobile networks. Therefore, when dialing a Norfolk Island mobile from abroad, you would use +61, not +672.

For callers, understanding the distinction between local and international dialing is crucial. If you are within Norfolk Island, simply dial the 8-digit number starting with 10. If you are calling from overseas, always include +672 and the full number. This ensures proper routing through the PSTN and avoids misdialing.