Area Code 370 – Värnamo
The phone area code for Värnamo is 370 (international format +46370). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 370
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Värnamo
Geographic Coverage and Administrative Jurisdiction
The Swedish area code 370 is a geographic destination code assigned to the Värnamo telephone exchange area, located in the historical province of Småland in southern Sweden. The code covers the municipality of Värnamo and its surrounding localities, including Bredaryd, Forsheda, Horda, Rydaholm, and Tånnö. Administratively, this region falls under Jönköping County (Jönköpings län). The numbering area is part of the national dialing plan administered by the Swedish Post and Telecom Authority (PTS).
Dialing Formats and Caller Instructions
For domestic callers within Sweden, the local number is dialed as 0370-XXXXX (where XXXXX represents the 5-digit subscriber number). When calling from abroad, the international format is +46 370 XXXXX (or 0046 370 XXXXX from countries using the international prefix 00). The leading zero of the area code is dropped when adding the Swedish country code (+46). For calls originating from mobile phones within Sweden, it is common practice to dial the full national number including the area code, even when calling from the same geographic area, due to the widespread use of mobile devices and number portability.
Numbering and Overlay Considerations
Sweden employs a closed dialing plan for geographic numbers, meaning that the area code must always be dialed, even for local calls. The subscriber numbers within the 370 area are 5 digits long, resulting in a total national significant number (NSN) length of 9 digits (including the leading zero). There are no overlay codes or additional area codes for Värnamo; the 370 code is exclusive to this region. However, due to number portability, a subscriber may retain their 370 number even if they move to a different geographic area, which can occasionally lead to non-local routing.
Technical Infrastructure and Services
The 370 area is served by modern PSTN and VoIP infrastructure, with fiber-optic and DSL broadband widely available. Calls to 370 numbers are routed via the Swedish national backbone, and the region is fully integrated into the European telephony network. For international callers, it is essential to use the correct exit code of their country (e.g., 011 from the US, 00 from most European countries) followed by 46 and then 370 without the leading zero. Emergency services (112) and directory inquiries (118 xxx) are accessible from any phone in Sweden, regardless of the area code.