Area Code 2621 – Lahnstein
The phone area code for Lahnstein is 2621 (international format +492621). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2621
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Lahnstein
Geographic Coverage and Administrative Jurisdiction
The German area code 02621 is a geographic National Destination Code (NDC) assigned to the city of Lahnstein and its immediate surrounding communities in the state of Rhineland-Palatinate (Rheinland-Pfalz). Lahnstein is located at the confluence of the Lahn and Rhine rivers, near the major city of Koblenz. The code covers the urban districts of Oberlahnstein and Niederlahnstein, as well as nearby localities such as Horchheim, Pfaffendorf, and parts of the Verbandsgemeinde Loreley. Administratively, the code falls under the jurisdiction of the Bundesnetzagentur, Germany's Federal Network Agency, which allocates geographic numbering resources based on network planning areas.
Dialing Formats and Caller Instructions
For local callers within Germany, the area code is dialed with a leading zero: 02621. The local subscriber number typically consists of 6 to 7 digits, resulting in a complete national significant number (NSN) of 10 to 11 digits including the area code. For example, a local number might be dialed as 02621 123456.
For international callers, the German country code +49 is used, and the leading zero of the area code is dropped. Thus, the same number would be dialed as +49 2621 123456. When calling from a mobile phone, it is essential to use the international format with the plus sign to ensure proper routing.
Overlay and Numbering Plan Considerations
As of the current numbering plan, there is no overlay code for the 02621 area. The code is exclusively assigned to Lahnstein and its immediate vicinity. However, adjacent areas such as Koblenz (0261) and Bad Ems (02603) have distinct codes, and callers should be aware of these boundaries to avoid misdialing. The German numbering plan is closed, meaning that all digits must be dialed even for local calls within the same area code, unless the network provider supports abbreviated dialing for local calls, which is rare in modern PSTN and VoIP environments.
Technical and Regulatory Notes
Geographic codes in Germany are not portable outside their defined geographic area, except for VoIP services that are assigned numbers from a specific geographic pool but can be used anywhere with a broadband connection. However, the number remains associated with the Lahnstein tariff zone for billing purposes. For businesses, having a 02621 number establishes a local presence and can be routed to any destination via SIP trunking or virtual PBX systems. Callers should note that rates for calling 02621 numbers from within Germany depend on their provider's tariff, but calls from mobile networks are typically subject to higher charges than fixed-line calls.