Area Code 905 – Umeå
The phone area code for Umeå is 905 (international format +46905). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 905
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Umeå
Geographic Overview
The Swedish area code 905 is a geographic National Destination Code (NDC) assigned to the municipality of Umeå, located in the county of Västerbotten in northern Sweden. Umeå is the largest urban centre in Norrland and serves as a major administrative, educational, and economic hub. The code covers the city itself as well as surrounding localities within the Umeå Municipality, including nearby communities such as Hörnefors, Sävar, and Holmsund. As a geographic code, 905 is tied to the PSTN infrastructure of the region, although subscribers may also be reached via VoIP or mobile services with number portability.
Dialing Formats
When calling a landline in Umeå from within Sweden, the national trunk prefix 0 is used, followed by the area code and the subscriber number. The complete national format is 0905-XX XX XX, where the subscriber number typically consists of six digits. For international callers, the Swedish country code +46 replaces the leading zero, resulting in the format +46 905 XX XX XX. It is important to note that the area code is an essential part of the number; omitting it will result in an incomplete call.
Caller Instructions
For local callers within Umeå, it is still necessary to dial the full national number (including the 0905 prefix) when calling from a mobile phone or from a different fixed-line exchange. Historically, local calls within the same exchange could be made with only the subscriber number, but modern Swedish numbering requires the full number for all calls. Foreign callers should dial the international access code of their country (e.g., 00 from most European countries, 011 from North America) followed by 46, then 905, and the six-digit subscriber number. No additional trunk prefix is used after the country code.
Overlays and Numbering Changes
Currently, there is no overlay code for Umeå; the 905 code is the sole geographic NDC for the region. However, due to number portability, a number with the 905 prefix may be routed to a VoIP provider or a mobile network, and the physical location of the subscriber may differ from the original exchange. This does not affect the dialing procedure, but it means that the call may be terminated over IP or mobile networks.
Regulatory and Technical Notes
The Swedish Post and Telecom Authority (PTS) administers the national numbering plan in accordance with ITU-T E.164. Geographic codes are allocated to specific service areas, and the maximum length of a national significant number (NSN) in Sweden is 9 digits, including the leading zero. For 905, the NSN length is 9 digits (0905 plus six subscriber digits). When dialing internationally, the leading zero is removed, and the country code is added, resulting in a total of 9 digits after the +46.
For businesses and residents in Umeå, it is advisable to always publish numbers in international format (+46 905 ...) to facilitate global reachability. This is particularly important for companies with international clients or for individuals who may receive calls from abroad.