Number ranges for fixed telephone network
The number ranges granted to fixed telephone networks in different telecommunications areas can be searched for below. If the Operator column says Traficom, it means a number range that has been returned to Traficom but includes numbers ported between the networks of different telecoms operators.
(https://eservices.traficom.fi/LicensesServices/Forms/NureKiinteanPuhelinverkonTilaajanumerot.aspx?langid=en)