Area Code 24 – Scott Base
The phone area code for Scott Base is 24 (international format +6424). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 24
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Scott Base
Geographic Coverage and Administrative Jurisdiction
The +64 24 country and area code combination is allocated to Scott Base, New Zealand's only Antarctic research station, situated on Ross Island in the Ross Dependency. This remote facility is administered by the Antarctica New Zealand institute on behalf of the New Zealand Government. Unlike standard geographic codes that map to populated regions, the 24 prefix is specifically assigned to the base's telecommunications infrastructure, which operates under the New Zealand numbering plan despite its extreme southern latitude (approximately 77.85°S).
Dialing Formats and Caller Instructions
To reach a landline or onboard telephone at Scott Base from within New Zealand, callers must dial the national trunk prefix 0, followed by the area code 24, and the local subscriber number. For example, a local number might be dialed as 024 123 4567 when calling from Christchurch or any other New Zealand city. International callers should replace the leading zero with New Zealand's country code +64, resulting in +64 24 123 4567. When dialing from a mobile phone inside New Zealand, the same 0-prefixed format is used, but note that roaming or satellite-based connections may require alternative routing.
Numbering and Technical Considerations
Scott Base numbers are part of the New Zealand geographic numbering scheme, but due to the station's isolation, calls are typically routed via satellite links (e.g., via the Antarctic New Zealand communication network) to the Public Switched Telephone Network (PSTN) in New Zealand. The subscriber number length after the area code is typically 7 digits, consistent with standard New Zealand geographic numbers. However, because the base operates seasonally, some extensions may only be active during the summer research period (October to February). Callers should also be aware that time zone differences (New Zealand Standard Time, UTC+12, or UTC+13 during daylight saving) may affect optimal calling times.
Overlay and Future Outlook
No overlay code exists for the 24 area code, as it is a dedicated allocation for the Antarctic station. The New Zealand Telecommunications Forum (TCF) manages numbering resources, and any changes to the 24 code would be publicly notified. For now, the code remains a unique example of a geographic prefix serving a non-residential, scientific outpost, highlighting the global reach of the E.164 numbering system.