Area Code 3843 – St. Michael in Obersteiermark
The phone area code for St. Michael in Obersteiermark is 3843 (international format +433843). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3843
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of St. Michael in Obersteiermark
Geographic Overview
The Austrian area code +43 3843 is a geographic National Destination Code (NDC) assigned to the region of St. Michael in Obersteiermark, located in the state of Styria (Steiermark). This code serves the town of St. Michael ob der Leoben and its surrounding municipalities, including parts of the Liesing and Murtal valleys. The area is known for its strategic position at the intersection of major transport routes, connecting the Mur and Mürz valleys.
Dialing Formats
When dialing a number within Austria, the trunk prefix 0 is used before the area code. The local subscriber number typically consists of 6 to 7 digits, making the complete national significant number (NSN) 9 to 10 digits (excluding the leading 0).
- National dialing (within Austria): 0 3843 [subscriber number]
- International dialing (from abroad): +43 3843 [subscriber number]
For example, if the local subscriber number is 12345, the national format would be 03843 12345 and the international format +43 3843 12345. Always omit the leading 0 when dialing from outside Austria.
Geographic Coverage and Administration
The code is administered by the Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR-GmbH) and is allocated to fixed-line PSTN and VoIP services. It covers the political district of Leoben, specifically the cadastral area of St. Michael. Nearby towns such as Kraubath an der Mur, Kammern im Liesingtal, and Mautern in Steiermark may also fall under this code, depending on the specific exchange.
Caller Instructions
For local callers: When calling within the same area code, it is often possible to dial only the subscriber number without the area code, though this depends on the operator's settings. However, for clarity and to avoid misdialing, it is recommended to always use the full national format.
For international callers: Replace the international access code (e.g., 00 from most European countries, 011 from North America) with the Austrian country code +43, then dial the area code 3843 (without the leading zero) followed by the subscriber number.
Overlay and Numbering Considerations
As of now, there is no overlay code for this region, meaning that the area code 3843 is unique to St. Michael in Obersteiermark. Number portability is available, allowing subscribers to retain their numbers when changing providers within Austria, but the geographic significance of the code remains tied to the original location.