Area Code 9 – Mobile Network
The phone area code for Mobile Network is 9 (international format +479). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 9
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Overview of Norwegian Mobile Prefix 9
In the Norwegian telecommunications landscape, the country calling code +47 is shared by all services, and mobile numbers are non-geographic. The prefix 9 is a leading digit for mobile numbers, indicating that the number is assigned to a mobile network operator (MNO) or mobile virtual network operator (MVNO). Unlike geographic area codes, the 9 prefix does not correspond to a specific region; it is used nationwide. Norwegian mobile numbers are eight digits long and always begin with 9 (e.g., 9x xxx xxx). When dialed from abroad, the format is +47 9x xxx xxx, with the leading zero (if any) omitted, as Norway uses a single international prefix.
Numbering and Routing
The Norwegian Communications Authority (Nkom) administers the national numbering plan. The 9 prefix is subdivided into ranges allocated to various operators. For instance, Telenor, Telia, and Ice have distinct number blocks, but due to mobile number portability (MNP), a number beginning with 9 may be routed to any operator. This means that the prefix does not guarantee the operator; it only indicates that the number is mobile. For international SMS and voice calls, the E.164 format +47 9x xxx xxx is used. When sending an SMS from abroad, the plus sign and country code are required, and the number length remains eight digits after +47.
Dialing Instructions
For local callers within Norway, mobile numbers are dialed as eight digits, typically starting with 9, without any trunk prefix (Norway does not use a trunk prefix like '0' for domestic calls). For example, to call a Norwegian mobile number from a local landline or another mobile, simply dial 9x xxx xxx. For international callers, the format is +47 9x xxx xxx. If you are calling from a country that uses the international access prefix (e.g., 00 or 011), you would dial that prefix followed by 47 and the number. For example, from the US, you would dial 011 47 9x xxx xxx. From most European countries, you would dial 00 47 9x xxx xxx.
Mobile Services and Number Portability
Norwegian mobile numbers support voice, SMS, and data services. Since 2001, mobile number portability has been available, allowing users to keep their numbers when switching operators. This has implications for routing: the prefix may not reflect the current network. For businesses and individuals, it is important to note that calls to numbers starting with 9 are charged according to the caller's plan; there are no special premium rates associated with this prefix unless the number is specifically designated as a premium service (which typically uses other prefixes).
Regulatory and Technical Notes
Norway is not a member of the European Union, but it follows the European Electronic Communications Code (EECC) principles. The 9 prefix is exclusively for mobile services, and no geographic assignment exists. For IoT and machine-to-machine (M2M) communications, operators may use dedicated number ranges, but they also fall under the mobile category. When integrating Norwegian mobile numbers into systems, always store them in international format (+47XXXXXXXX) to ensure proper routing and avoid issues with local dialing variations.