Area Code 3864 – St. Marein im Mürztal
The phone area code for St. Marein im Mürztal is 3864 (international format +433864). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3864
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of St. Marein im Mürztal
Geographic Overview
The Austrian area code 03864 (international format +43 3864) is assigned to the geographic region of St. Marein im Mürztal, a municipality in the Bruck-Mürzzuschlag district of Styria (Steiermark). This code covers the town itself and the surrounding localities, including Fresen and parts of the Mürz Valley. The region is part of the Upper Styrian industrial and recreational area, with the administrative center of Bruck an der Mur located approximately 15 km to the west.
Dialing Formats
When calling a landline in St. Marein im Mürztal, the national subscriber number consists of the area code (without the leading zero) followed by the local number. The complete national format is:
- National dialing (within Austria): 0 3864 [local number]
- International dialing (from abroad): +43 3864 [local number]
For example, if the local number is 12345, you would dial:
- From Vienna: 0 3864 12345
- From Germany: 00 43 3864 12345 (or +43 3864 12345 on mobile)
Local numbers in this area typically have 5 to 7 digits, depending on the service provider and historical allocation.
Coverage and Jurisdiction
The 03864 code is administered under the Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR-GmbH) and is assigned to the geographic area of St. Marein im Mürztal. It is part of the national numbering plan that follows ITU-T E.164 recommendations. The code is used for fixed-line PSTN and VoIP services, and it is not portable to mobile networks. Calls to this code are charged as national landline calls within Austria, and international rates apply from abroad.
Overlays and Special Considerations
There are no overlay codes in this region; 03864 is the sole area code for St. Marein im Mürztal. However, neighboring municipalities may use different codes (e.g., 03865 for Mürzzuschlag). When calling from a mobile phone within Austria, it is not necessary to include the leading zero if you are dialing from a mobile network, but it is always safe to include it. For international callers, the country code +43 must be used, and the leading zero of the area code is omitted.