Area Code 2931 – Sydney
The phone area code for Sydney is 2931 (international format +612931). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2931
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Sydney
Overview of Area Code 2931
Area code 2931 is a geographic numbering block within the Australian national numbering plan, specifically allocated to the Sydney metropolitan region in New South Wales. As part of the larger 02 area code, which covers Sydney and surrounding areas, the 2931 prefix is used for fixed-line telephone services. The number format for international callers is +61 2 931X XXXX, while domestic callers within Australia dial 02 931X XXXX. The prefix 2931 is not a separate area code but a central office code within the Sydney rate centre, indicating a specific exchange or service area.
Geographic Coverage and Administrative Jurisdiction
The 2931 prefix serves the eastern and inner-southern suburbs of Sydney, including postcodes such as 2000 (Sydney CBD), 2010 (Surry Hills), 2011 (Potts Point), 2016 (Redfern), 2017 (Waterloo), 2018 (Rosebery), 2019 (Banksia), 2020 (Mascot), and 2021 (Paddington). These areas are under the jurisdiction of the City of Sydney and adjacent local government areas. The exchange is located in the Sydney central business district, providing services to both residential and business customers.
Dialing Formats and Caller Instructions
For local callers within Australia, the number is dialed as a 10-digit national significant number: 02 931X XXXX. For international callers, the country code +61 is used, followed by the area code without the leading zero: +61 2 931X XXXX. For example, a number in this prefix might be +61 2 9315 1234. When calling from a mobile phone within Australia, it is common to dial the full 10-digit number, including the leading 0. For callers outside Australia, the leading zero is omitted.
Overlay and Numbering Considerations
The 02 area code has been subject to overlay planning to accommodate growing demand, but as of the current numbering plan, no overlay code is active for Sydney. This means that local calls within the 02 region do not require an area code if dialing within the same region, but for clarity and mobile compatibility, it is recommended to always use the full national number. Number portability allows customers to retain their 2931 numbers when changing service providers, as long as they remain within the same geographic area.
Usage and Services
Numbers in the 2931 prefix are primarily used for PSTN (Public Switched Telephone Network) and VoIP (Voice over IP) fixed-line services. They are commonly associated with businesses and residential customers in the inner city. The prefix is not designated for mobile services, which are non-geographic and use prefixes like 04. For businesses, having a Sydney geographic number can enhance local presence and trust. For callers, charges are typically based on standard fixed-line rates, and calls from within Australia are usually included in bundled calling plans.