What is the dialing format for calling a Rumelange number from abroad?

To call a Rumelange number from abroad, dial the international access prefix (00 or +), then the country code 352, followed by the subscriber number. For example, +352 2456 1234.

Is the 2456 prefix a mobile or landline prefix?

The 2456 prefix is a geographic landline prefix assigned to the town of Rumelange. It is not a mobile prefix; mobile numbers in Luxembourg typically start with 6 or 6xx.

Can I keep my 2456 number if I move to another city in Luxembourg?

Number portability allows you to keep your number when changing operators, but if you move to a different geographic area, the number may not be portable to a different geographic prefix. You may need to obtain a new local number.

Are calls to 2456 numbers charged at a higher rate?

No, calls to 2456 numbers are charged at standard national rates when dialed from within Luxembourg. International rates apply when dialing from outside the country.

What is the total length of a Luxembourg phone number including the country code?

Luxembourg phone numbers are 9 digits long when including the country code +352. The national significant number is 8 digits, with the first digit being the area or service prefix.

Area Code 2456 (Luxembourg) - Prefix Details & Exchanges

Geographic Overview

The +352 2456 prefix is a geographic number range assigned to the town of Rumelange, located in the southern part of Luxembourg near the French border. Rumelange is part of the canton of Esch-sur-Alzette and is known for its industrial heritage, particularly in iron ore mining. The prefix serves both residential and business subscribers within the town's fixed-line network.

Dialing Formats

For callers within Luxembourg, the national dialing format is 2456 xxxx (without the country code). For international callers, the format is +352 2456 xxxx. Note that Luxembourg uses a closed numbering plan; there is no trunk prefix like '0' used in many other countries. The total number length is typically 9 digits, including the country code.

Geographic Allocation and Administration

The prefix is allocated under the authority of the Institut Luxembourgeois de Régulation (ILR), the national regulatory authority. It is classified as a geographic number, meaning that the tariff and routing are based on the physical location of the line. Calls to +352 2456 numbers are charged at standard national rates when dialed from within Luxembourg, and international rates when dialed from abroad.

Caller Instructions

Local callers (within Luxembourg): Dial the 9-digit subscriber number directly, e.g., 2456 1234.
International callers: Dial the international access prefix (00 or +), then the country code 352, followed by the subscriber number, e.g., +352 2456 1234.

Number Portability and Overlays

As with all geographic numbers in Luxembourg, subscribers may port their numbers to other operators while retaining the prefix. However, the geographic significance of the prefix may be lost after porting, as the number may be routed to a different physical location. There are currently no overlay codes for Rumelange; the 2456 prefix is unique to this area.

Business and Residential Usage

The 2456 prefix is used by local businesses, municipal offices, and residents. For businesses, having a geographic number reinforces a local presence and can be important for customer trust. For residents, it provides a fixed-line connection, often bundled with broadband services.

Area Code 2456 – Rumelange

📍 Geographic Location of Rumelange