Area Code 2277 – Zwentendorf
The phone area code for Zwentendorf is 2277 (international format +432277). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2277
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Zwentendorf
Geographic Overview
The Austrian area code +43 2277 is a geographic National Destination Code (NDC) assigned to the town of Zwentendorf an der Donau and its immediate surroundings in the state of Lower Austria (Niederösterreich). Located on the southern bank of the Danube River, Zwentendorf lies within the Tulln District (Bezirk Tulln) and is part of the greater Vienna metropolitan region. The code serves the municipal area and nearby localities, including communities such as Pischelsdorf and parts of the surrounding agricultural landscape.
Dialing Formats
When calling a landline in Zwentendorf from within Austria, subscribers must dial the national trunk prefix 0 followed by the area code and the local subscriber number. The local numbers typically consist of five to seven digits, resulting in a total national significant number (NSN) length of 9 to 11 digits. For example, a local number such as 12345 would be dialed as 0 2277 12345 from anywhere in Austria.
For international callers, the country code +43 replaces the leading zero, so the same number is dialed as +43 2277 12345. It is important to note that the area code is mandatory for calls placed from outside the local exchange area, but within the same geographic region, shorter local dialing may be possible depending on the specific carrier and historical dialing procedures. However, for clarity and consistency, it is recommended to always use the full national format.
Administrative and Network Context
Zwentendorf is part of the Austrian telecommunications numbering plan, which follows the ITU-T E.164 recommendation. The area code 2277 is classified as a geographic code, meaning that the tariff and routing are based on the physical location of the subscriber's line. Calls to this code are typically charged as local or national landline rates, depending on the caller's own location and service provider.
As with many rural areas in Austria, fixed-line services may be provided by the incumbent operator (A1 Telekom Austria) as well as alternative carriers using wholesale access. Voice over IP (VoIP) services are also widely available, and subscribers may choose to use a virtual number with this area code even if they are not physically located in Zwentendorf, although the number remains associated with the geographic region for regulatory and emergency services purposes.
Caller Instructions
For local callers within the Zwentendorf area, dialing the full national format (0 2277 xxx) is always safe. For international callers, ensure you use the plus sign (+) or the appropriate international access code from your country, followed by 43 and the area code without the leading zero. Always verify the complete number with the recipient, as local numbers may vary in length.