Area Code 71 – Møre og Romsdal

Geographic Coverage and Administrative Jurisdiction

The Norwegian country calling code +47 is assigned to the +4771 numbering block, which serves as a geographic National Destination Code (NDC) for the county of Møre og Romsdal. This region, located on the western coast of Norway, encompasses several key municipalities and urban centers. The +4771 prefix covers the traditional district of Nordmøre, including the administrative center Kristiansund, as well as the towns of Molde, Ålesund, and surrounding areas. The numbering area is administered under the national numbering plan by the Norwegian Communications Authority (Nkom), which oversees the allocation of geographic numbers to ensure efficient routing within the public switched telephone network (PSTN).

Dialing Formats and Caller Instructions

For local callers within Norway, the +4771 area code is dialed as a trunk prefix, typically as 71 followed by the subscriber number. The complete national significant number (NSN) for geographic numbers in Norway is eight digits, with the area code included. For example, a local number in Kristiansund might appear as 71 56 78 90. When dialing from a mobile phone within Norway, the same format applies, as the national trunk prefix is not required for mobile-to-landline calls.

For international callers, the number must be dialed in full international format: the international access prefix (e.g., 00 from most countries, or + from mobile networks), followed by the country code 47, the area code 71, and the subscriber number. Thus, a caller from abroad would dial +47 71 56 78 90. It is important to omit the leading trunk prefix '0' when dialing from outside Norway, as the country code replaces it.

Numbering Plan and Overlay Considerations

Norway's geographic numbering plan does not currently employ area code overlays; each geographic region has a distinct NDC. The +4771 area code is dedicated solely to the Møre og Romsdal region, and no overlay codes have been introduced. This means that local calls within the same area code do not require the area code when dialing from a landline, though many modern networks allow its inclusion. However, for clarity and to avoid misdialing, it is recommended to always include the area code when dialing from a different region.

Practical Usage and Number Portability

Geographic numbers in Norway, including those under +4771, are primarily used for fixed-line services, but they may also be assigned to VoIP services that are tied to a physical address. Subscribers can retain their geographic number when moving within the same area code, and number portability allows users to switch providers while keeping the same number. For businesses, having a local +4771 number establishes a regional presence and can be more cost-effective for customers calling from within the area.