Luxembourg +352

Luxembourg, officially the Grand Duchy of Luxembourg, is a small yet highly developed European nation known for its robust financial sector, multilingual population, and strategic position at the heart of Western Europe. Its telecommunications infrastructure is modern and reliable, reflecting the country's high GDP per capita and advanced digital economy. The country code +352 is exclusively used for Luxembourg, and unlike many other nations, Luxembourg employs a closed dialing plan, meaning that all national subscriber numbers, including mobile and geographic numbers, are dialed with the same length without any trunk prefix. This makes dialing to and within Luxembourg straightforward, but it also requires attention to the exact digit sequence, as there are no area codes in the traditional sense—instead, geographic prefixes are integrated into the overall number plan.

How to Call Luxembourg from Abroad

To place an international call to Luxembourg from any other country, you must first dial the international access prefix of your current location (commonly '00' in most of Europe, or '011' from North America), followed by Luxembourg's country code +352, and then the subscriber's full national number. For example, to call a Luxembourgish mobile number 621 123 456, you would dial [your country's exit code] + 352 + 621 123 456. It is crucial to omit any leading '0' that might appear in local references—but in Luxembourg, no leading zero is ever used, as the numbering plan is closed. The total length of a Luxembourg phone number, excluding the country code, is always 9 digits, whether it is a fixed line, mobile, or service number. This uniformity simplifies dialing but also means that the first digit(s) indicate the service type: for instance, numbers starting with '2' are generally fixed-line numbers, while '6' indicates mobile services.

Understanding Geographic and Non-Geographic Prefixes

Luxembourg does not use traditional area codes that correspond to cities or regions. Instead, the first digit of the 9-digit national number often reflects the service category. Fixed-line numbers typically begin with '2' followed by two digits that historically corresponded to specific localities (e.g., 22 for Luxembourg City, 23 for the south, 24 for the north, etc.). However, number portability means that a fixed-line number may have been moved from one location to another, so the prefix no longer reliably indicates geography. Mobile numbers start with '6' (e.g., 621, 628, 691, etc.), and there are also special service numbers starting with '8' for toll-free (8002) and premium-rate services (90xx). Because of this structure, when dialing from abroad, you simply dial +352 followed by the complete 9-digit number, with no additional codes or truncation.

Special Rules and Numbering Plan Details

One of the most distinctive features of Luxembourg's telephone system is that there is no '0' trunk prefix used for domestic calls. Even when calling within Luxembourg, you must dial the full 9-digit number directly, without any preceding digit. This applies to both fixed and mobile calls. For example, to call a fixed line in Luxembourg City from a mobile in Luxembourg, you would dial the 9-digit number starting with '2'. There are no separate short codes for local calls. Emergency services are reached by dialing the European standard 112, and the national police emergency number is 113. These are the only exceptions to the 9-digit rule. Additionally, Luxembourg has implemented number portability for both fixed and mobile services, allowing users to retain their numbers when changing operators or moving locations, which further diminishes the geographic significance of the prefix.

Dialing from Luxembourg to International Destinations

When calling abroad from Luxembourg, the international access prefix is '00', as in most of Europe. Thus, to call a number in the United States, you would dial 00 + 1 + the US area code and number. For calls to neighboring countries like France, Germany, or Belgium, you still use '00' followed by their respective country codes (+33, +49, +32). It is worth noting that Luxembourg is part of the European Union and the European Economic Area, so roaming charges within the EU are abolished for Luxembourgish mobile users, meaning that when traveling within the EU, they can use their home tariffs without extra costs. However, for calls back to Luxembourg while abroad, it is always safer to use the +352 prefix.

Traveler and Business Tips

For travelers visiting Luxembourg, staying connected is easy due to excellent 4G and 5G coverage, especially in urban areas and along major transport routes. If you are arriving from outside the EU, consider purchasing a local prepaid SIM card, but be aware that identification (passport or ID card) is required for SIM registration in Luxembourg. For business communication, it is advisable to always provide your full international number in the format +352 ... ... ... to avoid confusion, as local numbers are always 9 digits and do not require any additional codes. When making calls within Luxembourg, note that all numbers, including mobile, are dialed identically without any prefix—this can be surprising for those accustomed to trunk prefixes like '0' in other countries. Also, be mindful that some businesses may list numbers with a leading '0' in error, but correct international dialing omits it. For VoIP services, the same rules apply: use +352 followed by the 9-digit number. Overall, the simplicity of the Luxembourg numbering plan makes it one of the easiest countries to dial, provided you remember the 9-digit rule.