Area Code 41 – Zilina
The phone area code for Zilina is 41 (international format +42141). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 41
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Zilina
Geographic Overview
The +421 41 area code is a geographic National Destination Code (NDC) assigned to the Žilina region in northwestern Slovakia. This area encompasses the city of Žilina, the fourth-largest urban center in the country, along with surrounding districts such as Bytča, Kysucké Nové Mesto, and parts of the historical Kysuce and Horné Považie regions. The code serves both residential and business subscribers connected to the public switched telephone network (PSTN) within this administrative territory.
Dialing Formats
When calling a fixed-line number in the Žilina area from abroad, the international format is: +421 41 XXX XXXX (or +421 41 XXX XX XX, depending on the local number length). Domestically, callers within Slovakia must dial the national trunk prefix 0 before the area code: 041 XXX XXXX. However, when dialing from a mobile phone in Slovakia, the leading 0 is often omitted, and the call can be placed as +421 41 XXX XXXX.
For local calls within the same area code, subscribers may dial only the seven-digit subscriber number (XXX XXXX) without the area code, as per the national numbering plan. This applies to calls between Žilina city and its adjacent exchanges that share the 41 NDC.
Geographic and Administrative Jurisdiction
The Žilina region is a major administrative unit in northwestern Slovakia, bordering the Czech Republic and Poland. The area code 41 is exclusively geographic, meaning that the number is tied to a physical location and cannot be moved outside the designated region without changing the NDC. This is particularly relevant for businesses that require a local presence or for emergency services that rely on location-based routing.
Overlays and Numbering Changes
Currently, there is no overlay code for the 41 region; the area code remains a single NDC serving the entire Žilina administrative area. However, the Regulatory Authority for Electronic Communications and Postal Services (RU) has implemented number portability, allowing subscribers to retain their numbers when switching operators, provided they remain within the same geographic area. This does not affect the geographic significance of the code.
Caller Instructions
For international callers, always replace the leading zero of the domestic format with the +421 country code. For example, a number in Žilina listed as 041 123 4567 should be dialed as +421 41 123 4567 from abroad. Domestic callers from other regions must dial 041 123 4567, while local callers can simply dial 123 4567. Mobile users in Slovakia can dial +421 41 123 4567 regardless of their location.
Understanding the correct dialing format is essential for ensuring successful call completion and avoiding misrouted calls, especially in a country with multiple geographic codes.