Area Code 2497 – Swansea
The phone area code for Swansea is 2497 (international format +612497). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2497
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Swansea
Overview of Australia's Geographic Numbering Plan
Australia's public switched telephone network (PSTN) adheres to the ITU-T E.164 international numbering standard. Geographic numbers are identified by a leading '0' trunk prefix when dialed domestically, followed by a two-digit National Destination Code (NDC) and an eight-digit subscriber number. The NDC '02' serves New South Wales (NSW) and the Australian Capital Territory (ACT). Within this NDC, specific Central Office Codes (COCs) designate smaller geographic areas, such as the prefix 2497 assigned to Swansea, a coastal town in the Hunter Region of NSW.
Coverage and Administrative Jurisdiction
The 2497 prefix is a geographic Central Office Code within the 02 NDC, specifically allocated to the Swansea exchange area. Swansea is located on the eastern shore of Lake Macquarie, approximately 25 kilometers south of Newcastle. The prefix covers Swansea itself and adjacent suburbs including Caves Beach, Pelican, and Blacksmiths. These areas fall under the City of Lake Macquarie local government area. The exchange serves both residential and business customers, providing fixed-line PSTN and VoIP services.
Dialing Formats and Caller Instructions
For local callers within Australia, the complete national significant number includes the trunk prefix '0', the NDC '02', and the local eight-digit number. Therefore, a Swansea number is dialed as 02 2497 XXXX (where XXXX is the four-digit subscriber line number). Note that the '02' NDC is not separated; the full number is a continuous sequence: 022497XXXX. When dialing from a mobile phone, the same format applies, and the call is treated as a standard national call.
International callers must replace the leading '0' with the Australian country code +61. Thus, the international dialing format becomes +61 2 2497 XXXX. The '0' is omitted, and the NDC '02' is reduced to '2'. For example, a local number 024971234 would be dialed as +61 2 2497 1234 from overseas.
Overlay and Number Portability Considerations
The 02 NDC is not subject to overlay codes; the same geographic area uses the 02 prefix exclusively. However, Australia implemented full number portability, allowing customers to retain their fixed-line numbers when switching service providers. Consequently, a number with the 2497 prefix may not necessarily be physically located in Swansea if the subscriber has moved and ported the number. This is an important consideration for businesses and individuals relying on geographic identifiers.
Practical Implications for Businesses and Residents
For businesses operating in Swansea, having a local 2497 number establishes a community presence and may reduce call costs for local customers. For residents, the prefix is simply part of their local dialing routine. When calling from abroad, it is essential to use the correct international format to ensure successful connection. As with all Australian geographic numbers, calls to 2497 numbers are typically included in standard fixed-line call packages, but VoIP and mobile users should verify their plan's inclusions for calls to landlines.