Area Code 81 – Ettelbruck
The phone area code for Ettelbruck is 81 (international format +35281). Browse local exchange codes (NXX) and carrier assignments below.
📍 Geographic Location of Ettelbruck
Geographic Overview and Jurisdiction
The +352 81 numbering range is a geographic allocation assigned to the Grand Duchy of Luxembourg, specifically serving the northern region centered on the town of Ettelbruck (Ëttelbréck in Luxembourgish). Ettelbruck is the administrative capital of the Diekirch District and a key economic hub in the Ardennes area. The code covers Ettelbruck itself and its surrounding communes, including Diekirch, Bettendorf, Erpeldange, and Schieren. These localities fall under the jurisdiction of the Institut Luxembourgeois de Régulation (ILR), the national regulatory authority for electronic communications.
Dialing Formats and Usage
Luxembourg employs a closed numbering plan, meaning the national significant number (NSN) is always nine digits, including the leading '0' that is part of the national prefix. For the Ettelbruck area, the full national number format is 0 81 XX XX XX (e.g., 0 81 22 33 44). When dialing from abroad, the leading '0' is omitted, and the country code +352 is used, resulting in the international format +352 81 XX XX XX (e.g., +352 81 22 33 44). Local callers within the same geographic area may often dial the eight-digit subscriber number without the area code, but for clarity and consistency, the full national number is recommended.
Caller Instructions
- Domestic callers (within Luxembourg): Dial the full national number, e.g., 0 81 22 33 44.
- International callers: Dial the international access prefix (e.g., 00 from most countries, or '+' from mobile phones), followed by Luxembourg's country code 352, then the subscriber number without the leading '0', e.g., +352 81 22 33 44.
Regulatory and Technical Notes
As a geographic number, the 81 prefix is tied to a physical location, but number portability allows subscribers to retain their number when changing operators, even if they move outside the original geographic area. However, the tariff structure may reflect the original geographic designation. The ILR oversees the allocation of number blocks to operators, ensuring efficient use of the national numbering plan. For businesses, having a local Ettelbruck number can enhance local presence and customer trust.