Area Code 63 – Arlon
The phone area code for Arlon is 63 (international format +3263). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 63
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Arlon
The +32 63 area code is a geographic destination code within the Belgian public switched telephone network (PSTN), specifically allocated to the Arlon region, the capital of the province of Luxembourg in Wallonia. This code serves the city of Arlon and its surrounding communes, including Attert, Aubange, Martelange, Messancy, and Habay. Administratively, the area falls under the jurisdiction of the Belgian Institute for Postal Services and Telecommunications (BIPT), which oversees the national numbering plan in accordance with ITU-T E.164 recommendations.
Geographic Coverage and Dialing Formats
The +32 63 code is used for fixed-line services within this southeastern corner of Belgium, near the borders with Luxembourg and France. When dialing locally within the Arlon area, callers can often use the abbreviated format, omitting the trunk prefix and area code. For example, to call a local number 45 67 89 from within the same exchange, one would simply dial 45 67 89. However, for calls originating from other Belgian regions, the national trunk prefix '0' must be added, followed by the area code and the subscriber number: 0 63 45 67 89.
For international callers, the format is: +32 63 45 67 89 (or 0032 63 45 67 89 from many European countries). The leading '0' is always dropped when dialing from abroad. Subscriber numbers within this code typically consist of six digits, making the complete national significant number (NSN) eight digits when including the area code (63).
Overlay and Numbering Considerations
Currently, there is no overlay code for the Arlon region; the 63 code remains the sole geographic code for this area. However, number portability allows subscribers to retain their 63 numbers even if they switch to a different fixed-line operator. Conversely, a number with a different Belgian area code may be ported into the Arlon region, but the geographic code does not change, which can occasionally lead to confusion about the caller's physical location.
Caller Instructions
- Local callers (within Arlon): Dial the six-digit subscriber number directly.
- National callers (elsewhere in Belgium): Dial 0 63 followed by the subscriber number.
- International callers: Dial the international access prefix (e.g., 00 from most countries, or + from mobile), then 32 63, followed by the subscriber number.
This area code is part of Belgium's closed numbering plan, where the full national number must be dialed for all calls except local ones within the same exchange. Understanding these formats ensures seamless connectivity for both residents and businesses operating in the Arlon region.