Area Code 2131 – Neuss
The phone area code for Neuss is 2131 (international format +492131). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2131
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Neuss
Geographic Significance and Coverage
The German area code +49 2131 is a geographic National Destination Code (NDC) assigned to the city of Neuss and its immediate surrounding areas in the western part of North Rhine-Westphalia. Neuss, located on the left bank of the Rhine opposite Düsseldorf, is a major economic and cultural hub within the Rhine-Ruhr metropolitan region. The code covers the city limits of Neuss itself, including districts such as Innenstadt, Uedesheim, Grimlinghausen, and Norf, as well as parts of the neighboring municipalities of Kaarst, Korschenbroich, and Meerbusch that fall within the local dialing area. This allocation is administered under the German Federal Network Agency (Bundesnetzagentur) and follows the ITU-T E.164 international numbering plan.
Dialing Formats and Usage
When calling a Neuss landline from within Germany, subscribers must use the national trunk prefix 0 followed by the area code and the subscriber's local number. For example, a local Neuss number might be dialed as 02131 123456. However, when dialing from abroad, the international access code (00 or +) is used, followed by Germany's country code 49, the area code without the leading zero, and the local number: +49 2131 123456. The subscriber numbers in this area typically consist of 6 to 8 digits, making the total length of a complete international number (including country code and area code) 11 to 13 digits, in compliance with E.164 standards.
Administrative and Regulatory Context
Neuss is part of the Rhein-Kreis Neuss district, and its numbering area is distinct from the adjacent Düsseldorf code (0211) and other neighboring codes such as Krefeld (02151) and Mönchengladbach (02161). No overlay code has been introduced for Neuss, so the 02131 code remains the sole geographic code for this area. Calls between Neuss and other German regions are subject to standard national tariffs, while calls from Neuss to international destinations require the international prefix. For callers within Neuss, local calls can be made using only the subscriber number (without the area code) if the network provider supports local dialing, but this practice is becoming less common with the proliferation of VoIP and mobile services.
Practical Guidance for Callers
For international callers, it is essential to replace the leading zero of the area code with the +49 country code. For example, a caller from the United States would dial 011 49 2131 123456. Businesses and residents in Neuss often use their landline numbers for official correspondence, and the code is also used for fax and DSL services. As with all German geographic numbers, number portability allows subscribers to retain their 02131 number when changing providers, but the number remains tied to the geographic location for tariff and emergency service routing purposes. When dialing from a mobile phone, the same international format applies, and callers should be aware that charges may vary depending on their mobile plan and whether the call is made domestically or internationally.