Finnish business phone number
Only two documents, but an address in Finland in every case.
Local and mobile, document by document
Required documents, local and mobile
Finnish local number
+358 · For businesses only
Required address
Local address, within the area code’s zone
The company’s address must be in the city or region covered by the area code of the chosen number. A PO box is not accepted.
To provide
- Trade register extractDocumentThe kaupparekisteriote for a Finnish company, or the equivalent from your country’s register.
- Proof of address within the area code’s zoneDocumentAny of: the register extract if it shows this address, an energy, water or telecom bill, a tax notice, a rent receipt or a property deed. A PO box is not accepted.
Finnish mobile number
+358 · For businesses only
Required address
Address in Finland
The company’s address must be in Finland. A PO box is not accepted.
To provide
- Trade register extractDocumentThe kaupparekisteriote for a Finnish company, or the equivalent from your country’s register.
- Proof of address in FinlandDocumentAny of: the register extract if it shows this address, an energy, water or telecom bill, a tax notice, a rent receipt or a property deed. A PO box is not accepted.
Indicative list updated on 15 October 2026. Requirements are set by each country’s authorities and may change; the exact list is confirmed when you order the number.
Getting a Finnish virtual phone number for your business
Helsinki attracts tech companies and software vendors. A Finnish number is all the more useful there because Finns readily screen unknown calls from abroad.
The application is one of the shortest on the list: a trade register extract and proof of address. For a Finnish company, the extract is the kaupparekisteriote; a foreign company provides the equivalent from its own register.
The address makes the difference: it must be within the area code’s zone for a landline, and in Finland for a mobile. A PO box is not accepted in either case.
Country code and number format
- Local (landline)
- +358 +358, then the area code without the 0 and the number; the length varies. 9 Helsinki, 2 Turku, 3 Tampere, 8 Oulu. Example: +358 9 1234 5678.
- Mobile
- +358 +358 4 or +358 50, then 6 to 8 digits (04x or 050 nationally). Example: +358 45 123 4567.
What you need to know
The kaupparekisteriote
The extract from the Finnish trade register, issued by the Finnish Patent and Registration Office (PRH). It also gives the Y-tunnus, the Finnish business ID.
Two official languages
Finnish and Swedish are the official languages; English is widely used in business, especially in Helsinki.
Numbers of variable length
As in Germany, Finnish numbers are not all the same length: the area code and the subscriber number vary.
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