Area Code 56 – Kymi
The phone area code for Kymi is 56 (international format +35856). Browse local exchange codes (NXX) and carrier assignments below.
📞 Exchange Codes (NXX) for Area Code 56
Select a central office code to view local carrier data and detailed information
📍 Geographic Location of Kymi
Geographic Overview
The Finnish national destination code 56 is a geographic area code assigned to the Kymi region, historically known as the Kymenlaakso province in southeastern Finland. This area encompasses the city of Kotka and its surrounding municipalities, including Karhula, Anjala, and Elimäki. The code serves both fixed-line PSTN and VoIP subscribers with numbers that are geographically tied to the region's local exchange boundaries.
Dialing Formats
When dialing within Finland, the trunk prefix 0 is used before the area code. Thus, a local call to a Kymi number is placed as 0 56 XXX XXXX. For international callers, the Finnish country code +358 replaces the leading zero, resulting in the format +358 56 XXX XXXX. It is important to note that the area code is an integral part of the national significant number (NSN) and must always be dialed, even for calls originating within the same locality. This is because Finland uses an open dialing plan where the area code is required for all calls, except for emergency numbers.
Numbering and Overlays
Subscriber numbers in the 56 range are typically 5 to 7 digits long, making the total NSN length 8 to 10 digits (including the area code). As of the latest ITU-T E.164 guidelines, no overlay codes have been introduced for the Kymi region; the 56 code remains the sole geographic identifier for this area. However, number portability allows subscribers to retain their 56 numbers when switching to a different operator, even if they move outside the region, which can occasionally lead to non-geographic usage of these numbers.
Caller Instructions
For local callers within Finland, simply dial 056 XXX XXXX. For callers from abroad, the international access code of their country (e.g., 00 from most European countries, 011 from North America) must be used, followed by 358, then 56 and the subscriber number, omitting the leading zero. For example, to call a number in Kotka from the United States, one would dial 011 358 56 XXX XXXX. It is advisable to check with your service provider for any specific international dialing prefixes.
Regulatory and Technical Notes
The Finnish Communications Regulatory Authority (Traficom) administers the national numbering plan. The 56 code is part of the geographic numbering ranges reserved for fixed-line services, but with the advent of VoIP and fixed-mobile convergence, calls to these numbers may be routed over IP networks. Charges for calls to 56 numbers are typically based on the caller's tariff plan and may vary depending on whether the call is local, national, or international. For businesses, having a 56 number can establish a local presence in the Kymi region, which can be beneficial for customer trust and local marketing.