Area Code 3689 – St. Nikolai im Sölktal
The phone area code for St. Nikolai im Sölktal is 3689 (international format +433689). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 3689
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of St. Nikolai im Sölktal
Geographic Overview
The Austrian area code +43 3689 is assigned to the small municipality of St. Nikolai im Sölktal, located in the Bezirk Liezen in the federal state of Styria (Steiermark). This prefix serves the Sölktal valley, a picturesque alpine region within the Niedere Tauern mountain range. The area is known for its rural character, with scattered hamlets and farms. The code covers the village of St. Nikolai and its immediate surroundings, including parts of the Sölk valley. Due to the low population density, the subscriber numbering range is limited, and the prefix is used for fixed-line PSTN and VoIP services.
Dialing Format
When calling a number in St. Nikolai im Sölktal from within Austria, you must dial the trunk prefix 0 followed by the area code 3689 and the subscriber's local number. From abroad, the international access code (typically 00 or +) is used, followed by the Austrian country code 43, then the area code without the leading zero (3689), and the local number. Local numbers in this area are typically 5 to 6 digits long, but always check with your contact for the exact number.
Example (domestic call): 0 3689 12345
Example (international call): +43 3689 12345
Geographic Allocation and Numbering
According to the Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR), area code 3689 is part of the national numbering plan under the Federal Law Gazette II No. 2/2004. It is a geographic area code tied to a specific administrative district. The prefix is administered by Telekom Austria (A1) as the incumbent operator, but due to local loop unbundling, other providers may also offer fixed-line services using this code. Number portability allows subscribers to retain their number when switching providers, but the geographic assignment remains unchanged.
Caller Instructions
- Local callers within the Sölktal region may sometimes omit the area code if dialing a number within the same local network, but this is not recommended as it may not work across all providers. Always include the full number for reliability.
- Callers from other Austrian regions must dial 0 before the area code.
- International callers must replace the leading 0 with +43 or 0043.
For emergency services (112 or 133/122/144), the area code is not required. For directory inquiries, use 118xx services.