Issue with Finland number +358

The library is only allowing 6 digits while the number from Finland can be up to 7-8 digits.
Following reference google:
The format for mobile telephone numbers is 04x 123 45 67 or 0457 123 45 67 or 050 123 45 67. When called from a different country, the format is + 358 4x 123 45 67 or + 358 50 123 45 67. Most commonly 7 digits are used for subscriber number, with the normal range being from 4 to 8 digits.
Country calling code: +358
International call prefix: 00
Trunk prefix: 0
NSN length: 5 to 12