Area Code 2877 – Grainbrunn
The phone area code for Grainbrunn is 2877 (international format +432877). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2877
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Grainbrunn
Overview of Area Code 2877
Austrian area code +43 2877 is a geographic prefix assigned to the small village of Grainbrunn and its immediate surroundings in the federal state of Lower Austria (Niederösterreich). Grainbrunn is part of the municipality of Rappottenstein, located in the district of Zwettl, in the scenic Waldviertel region. This area code serves a rural, sparsely populated region characterized by forests, rolling hills, and small agricultural communities.
Geographic Coverage and Administrative Context
The +43 2877 code covers the village of Grainbrunn and possibly a few nearby hamlets within the municipal boundaries of Rappottenstein. The administrative center, Rappottenstein, is approximately 5 kilometers to the southeast. The region is known for its medieval castle and is part of the larger Waldviertel tourist area. Because of the low population density, the code is not subdivided into further local exchange areas; all numbers within this code are treated as a single local calling area.
Dialing Formats and Instructions
When calling a number in Grainbrunn from within Austria, you must dial the trunk prefix 0 followed by the area code and the subscriber number. The local subscriber numbers are typically 5 to 7 digits long, resulting in a total national significant number (NSN) of 9 to 11 digits including the leading '0'. For example, a local number might appear as 02877 12345.
For international callers, the format is +43 2877 12345 (or 0043 2877 12345 when using the international access code from many countries). The leading '0' of the area code is omitted when dialing from abroad.
If you are calling from another Austrian region, you must always include the area code, even if the destination is in the same district. For example, to call Grainbrunn from Vienna, you would dial 02877 12345. Local calls within Grainbrunn itself may be made using only the subscriber number, but this is becoming less common as fixed-line networks modernize; it is always safe to include the area code.
Overlays and Numbering Plan Considerations
As of the latest ITU-T E.164 data, there are no overlay codes for area code 2877. The Austrian Regulatory Authority for Broadcasting and Telecommunications (RTR) has not introduced any overlay plans for this rural area. However, number portability is available for fixed-line services, meaning that a subscriber may retain their number if they change providers, but the geographic association remains with the original exchange area.
Caller Guidance
For callers within Austria, always use the national format with the leading '0'. For callers from outside Austria, use the international format with the country code +43 and drop the leading '0'. Ensure you have the correct subscriber number, as numbers in this area are not published in a standardized format; they may be listed with or without spaces.