Area Code 290 – Sydney
The phone area code for Sydney is 290 (international format +61290). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 290
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Sydney
Overview of Australia's +61 290 Geographic Area Code
The +61 290 area code is a geographic allocation within the Australian numbering plan, specifically designated for the central business district (CBD) and inner metropolitan areas of Sydney, New South Wales. This code falls under the broader 02 numbering region, which covers New South Wales and the Australian Capital Territory. The 290 prefix is part of the 10-digit national significant number (NSN) format: 02 XXXX XXXX, where '02' is the national trunk prefix and '290' constitutes the first three digits of the local number. Internationally, callers dial +61 2 9XXX XXXX, noting that the leading '0' is dropped when using the country code.
Geographic Coverage and Administrative Jurisdiction
The 290 code serves the Sydney CBD, including major commercial and financial districts such as the Sydney Harbour area, Circular Quay, The Rocks, and parts of the inner city. It is administered by the Australian Communications and Media Authority (ACMA), which oversees the national numbering plan. The code is used by both residential and business subscribers, with a high concentration of corporate offices, government agencies, and retail establishments. As a geographic number, it is tied to a specific service address, and callers can identify the likely location of the called party based on the prefix.
Dialing Formats and Caller Instructions
For local callers within Australia, dialing the 02 trunk prefix followed by the eight-digit local number is required, even when calling from within the same area code. For example, to call a number in Sydney's CBD, a caller in Melbourne would dial 02 9XXX XXXX. International callers must use the country code +61, then the area code without the leading zero, followed by the local number: +61 2 9XXX XXXX. For instance, a call from the United States to a Sydney number would be dialed as 011 61 2 9XXX XXXX. It is important to note that Australia uses a closed numbering plan, meaning that all local calls require the full 10-digit number, including the trunk prefix.
Overlay and Number Portability Considerations
The 02 region has multiple area codes, including 290, 291, 292, and others, which are overlaid across the same geographic area. This means that new numbers may be allocated with different prefixes, and callers must always dial the full 10-digit number. Local number portability (LNP) is available in Australia, allowing subscribers to retain their 290 number when moving to a different service provider, though the number remains associated with the original geographic location. This can lead to situations where a 290 number is used by a business that has relocated outside the area, but the number retains its geographic identity.
Practical Examples and Usage
To illustrate, a typical Sydney CBD number might be +61 2 9010 1234. When calling from within Australia, one would dial 02 9010 1234. From overseas, the same number is dialed as +61 2 9010 1234. The 290 code is widely used for landline and fixed-line services, including PSTN and VoIP, and is not assigned to mobile services, which use separate prefixes like 04. For businesses, having a 290 number can lend local credibility and may be important for local search engine optimization (SEO) if they target the Sydney market.