Area Code 45 – Kranj
The phone area code for Kranj is 45 (international format +38645). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 45
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Kranj
Geographic Overview
The +386 45 prefix is a geographic National Destination Code (NDC) assigned to the Kranj telephone exchange area in the Republic of Slovenia. Kranj, the fourth-largest city in Slovenia, serves as the administrative, economic, and cultural hub of the Upper Carniola region (Gorenjska). The numbering area encompasses the city of Kranj and its surrounding municipalities, including Šenčur, Preddvor, Cerklje na Gorenjskem, Naklo, and parts of the broader metropolitan zone. Subscribers within this area are allocated numbers in the format +386 45 XX XXX, where the NDC (45) is followed by a five-digit subscriber number, yielding a total national significant number length of eight digits, consistent with Slovenia's national numbering plan.
Dialing Procedures
For callers within Slovenia, the prefix is dialed as 045 XX XXX (including the trunk prefix '0'). For international callers, the number is dialed as +386 45 XX XXX or 00 386 45 XX XXX from most countries. It is essential to omit the leading '0' when dialing from abroad. For example, to call a Kranj landline number 12 345, a local caller would dial 045 12 345, while an international caller would dial +386 45 12 345.
Regulatory and Technical Context
Slovenia's numbering plan is administered by the Agency for Communication Networks and Services of the Republic of Slovenia (AKOS), in accordance with ITU-T E.164 recommendations. Geographic numbers like those under the 45 prefix are primarily used for fixed-line PSTN and VoIP services. Since the liberalization of the telecommunications market, subscribers may retain their geographic numbers when switching between operators (number portability), but the number does not necessarily indicate the physical location of the line if ported. However, the NDC still identifies the original geographic charging area for interconnection and emergency services routing.
Kranj is part of the Ljubljana urban region and benefits from modern fiber-optic and VDSL broadband infrastructure. The area code 45 is not overlaid with another NDC, and ten-digit dialing (including the trunk prefix) is not required within Slovenia; local calls within the same exchange area can be made using the subscriber number alone, though seven-digit dialing (including the area code) is common for clarity.
For businesses and residents, understanding the correct dialing format is crucial for seamless communication. International callers should always replace the leading '0' with the country code +386. This prefix is distinct from mobile prefixes (e.g., 40, 41, 51), which are non-geographic and assigned to mobile operators. When contacting Slovenian emergency services (112) or directory assistance, the geographic prefix is not used.