Area Code 3993 – Melbourne
The phone area code for Melbourne is 3993 (international format +613993). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3993
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Melbourne
Overview of Area Code 3993
Area code 3993 is a geographic numbering allocation within the Australian telephone numbering plan, specifically serving the Melbourne region in the state of Victoria. As part of the 03 National Destination Code (NDC), which covers Victoria and parts of New South Wales (including the capital city of Melbourne), the prefix 3993 is assigned to fixed-line and some VoIP services operating within this area. The full international dialing format for numbers in this code is +61 3 993X XXXX, where the leading '0' of the national significant number is replaced by the country code '+61' for calls originating outside Australia.
Geographic Coverage and Administrative Jurisdiction
The 3993 prefix is allocated to the Melbourne metropolitan area, encompassing the central business district (CBD) and surrounding suburbs. This includes key administrative and commercial districts such as Melbourne City, Southbank, Docklands, and parts of inner-north and inner-east suburbs. The area is governed by the City of Melbourne and various local councils, and the numbering allocation is managed by the Australian Communications and Media Authority (ACMA). The prefix is used for both residential and business lines, and due to number portability, a number with this prefix may be routed to a different geographic location, though the number retains its original geographic significance.
Dialing Formats and Caller Instructions
For callers within Australia, the local dialing format is 03 993X XXXX (10 digits including the trunk prefix '0'). For international callers, the format is +61 3 993X XXXX (or 0061 3 993X XXXX from many countries). When dialing from a mobile phone within Australia, it is common to use the full national number including the '0' trunk prefix, i.e., 03 993X XXXX. For callers outside Australia, it is essential to omit the leading '0' and use the country code '+61' followed by the area code '3' and the subscriber number. For example, a local call to a number like 03 993X XXXX would be dialed as +61 3 993X XXXX from the United States or the United Kingdom.
Overlay and Numbering Considerations
Melbourne and the broader Victoria region have not undergone an overlay in recent years; the 03 area code remains the sole geographic code for the region. However, due to the growth in demand for numbers, new allocations within the 03 NDC are made in various prefix ranges, including 3993. It is important to note that while 3993 is a geographic code, the actual physical location of the line may not correspond to the prefix due to number portability. This means that a number with the 3993 prefix could be serviced by any carrier and may be used for VoIP services, which are not tied to a specific exchange. For emergency services, calls to 000 (Australia's emergency number) are always routed based on the caller's location, not the number's prefix.