Area Code 2369 – Oslo
The phone area code for Oslo is 2369 (international format +472369). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2369
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Oslo
Overview of Area Code 2369
Area code 2369 is a geographic prefix assigned to the capital region of Norway, specifically serving the central districts of Oslo. As part of the Norwegian numbering plan, this code falls under the larger Oslo metropolitan area, which uses a set of two-digit and four-digit geographic codes following the country's country calling code +47. The prefix 2369 is used for fixed-line telephone services, including PSTN and VoIP-based landlines, and is administered by the Norwegian Communications Authority (Nkom).
Geographic Coverage and Administrative Jurisdiction
The 2369 code covers the administrative jurisdiction of Oslo Municipality, including the city center and surrounding urban neighborhoods. It is one of several codes allocated to Oslo, which collectively serve over 700,000 residents. The specific areas served by 2369 include the Sentrum, Grünerløkka, and St. Hanshaugen districts, among others. Businesses and residents within these zones are assigned numbers in the format +47 23 69 XX XX, where the full national number is eight digits after the country code.
Dialing Formats and Caller Instructions
For local callers within Norway, the number is dialed as an eight-digit national number: 23 69 XX XX. There is no trunk prefix (such as '0') required for domestic calls, as Norway uses a closed numbering plan. For international callers, the full E.164 format must be used: +47 23 69 XX XX. When dialing from abroad, replace the '+' with the international access code of the originating country (e.g., 00 from most European countries, 011 from the United States). For example, a number in Oslo with area code 2369 might be +47 23 69 10 20. It is important to note that Norwegian numbers are not area-code dependent for mobile calls, but for fixed lines, the geographic code is essential for routing.
Overlay and Numbering Considerations
Oslo has implemented overlay codes to accommodate growing demand, but 2369 remains a distinct geographic code without overlay complexities. Number portability is available, allowing subscribers to retain their 2369 number when switching providers, but the number's geographic association remains tied to the original location. When calling a 2369 number, the call is routed to the Oslo exchange, regardless of the caller's location within Norway or abroad.
Practical Usage and Examples
Businesses in Oslo often use 2369 numbers to establish a local presence. For instance, a company's customer service line might be +47 23 69 45 67. When dialing from a mobile phone within Norway, the same eight-digit number is used. From abroad, a caller in the UK would dial 00 47 23 69 45 67. Understanding these formats ensures seamless connectivity for both domestic and international callers.