Area Code 2414 – Oslo
The phone area code for Oslo is 2414 (international format +472414). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 2414
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Oslo
Geographic Coverage and Administrative Jurisdiction
The +47 2414 prefix is a geographic National Destination Code (NDC) assigned to the Oslo capital region of Norway. It falls within the central office code range managed by Telenor Norge AS, the incumbent carrier, and is used for fixed-line PSTN services. The code serves businesses and residential subscribers located within the Oslo municipality and its immediate surrounding areas, including major districts such as Sentrum, Frogner, St. Hanshaugen, and Grünerløkka. As part of Norway's national numbering plan, the 2414 prefix is not tied to a specific street or building but is allocated to the greater Oslo exchange area.
Dialing Formats and Caller Instructions
For local callers within Norway, the number is dialed as an 8-digit national significant number: 2414 XXXX. No trunk prefix '0' is used in Norway, as the country uses a closed numbering plan. For international callers, the full E.164 format must be used: +47 2414 XXXX. When dialing from abroad, replace the '+' with the international access code of your country (e.g., '00' in most European countries, '011' in North America). For example, a New York caller would dial 011 47 2414 XXXX.
Overlay and Numbering Plan Considerations
Norway does not use area code overlays; instead, the country employs a single national destination code (+47) for all geographic and mobile numbers. This means that the 2414 prefix is part of a unified numbering plan where the first two digits after the country code often indicate the service type or geographic region. However, due to number portability, a number beginning with 2414 may have been ported to a different operator or even to a mobile network, though this is less common for geographic numbers. Callers should be aware that the prefix does not guarantee the physical location of the called party, but it originally corresponds to the Oslo fixed-line exchange.
Technical Routing and Services
The 2414 prefix supports traditional PSTN services, including voice calls, fax, and ISDN. It is also compatible with VoIP services that interconnect with the public switched telephone network. For businesses, having an Oslo-based geographic number enhances local presence and can be used for inbound customer service lines. There are no premium-rate or special tariff implications; calls are billed according to the caller's operator rates for fixed-line calls to Norway.