Area Code 520 – Vilnius
The phone area code for Vilnius is 520 (international format +370520). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 520
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Vilnius
Geographic Overview
The +370 520 area code is a geographic numbering resource allocated within the Lithuanian national numbering plan, specifically serving the Vilnius metropolitan area and its immediate administrative surroundings. As part of the ITU-T E.164 international public telecommunication numbering plan, this code routes calls to fixed-line PSTN (Public Switched Telephone Network) subscribers connected to local exchanges operated by licensed fixed-line carriers in the Vilnius region. Vilnius, the capital of Lithuania, is the country's largest city and its primary administrative, economic, and cultural hub, which means the 520 prefix is predominantly associated with business districts, government institutions, and residential landlines within the city limits.
Dialing Formats and Usage
When placing an international call to a number using the +370 520 area code, callers must dial the international access prefix (e.g., 00 from most European countries, or + from mobile networks), followed by Lithuania's country code 370, then the area code 520, and finally the subscriber's 5-digit local number. The complete international format is +370 520 XXXXX, where XXXXX represents the unique subscriber line. For domestic calls within Lithuania, the trunk prefix '0' is used before the area code, so callers dial 0 520 XXXXX. Local calls within the same geographic area can often be made by dialing only the 5-digit subscriber number, depending on the operator's local dialing rules. It is important to note that Lithuania's numbering plan is closed, meaning that all digits must be dialed for domestic calls from mobile networks, even when calling a number in the same city.
Regulatory and Technical Considerations
The Communications Regulatory Authority of the Republic of Lithuania (RRT) administers the national numbering plan. The 520 area code is part of the geographic numbering ranges assigned to fixed-line services, and it is not portable to mobile networks. However, number portability within fixed-line services is available, allowing subscribers to retain their numbers when switching between fixed-line operators. For callers, this means that a number beginning with +370 520 will always terminate on a fixed-line network, but the underlying carrier may vary. Overlay codes are not currently in effect for Vilnius; the 5xx range is used for the city, with 520 being one of several prefixes. When calling from abroad, it is essential to replace the leading '0' of the domestic trunk prefix with the +370 country code to ensure proper international routing.