Customer service, how can we help?
Regardless of whether you are already our customer or thinking of becoming one, do not hesitate to contact us.
20.12.2019 Office open until 10am
24.12 – 26.12.2019 Office closed
31.12.2019 Office open 9am - 1pm
1.1.2020 Office closed
Telephone service: mon-fri 09-16
Tel: (06) 781 5300
Front desk: wed-fri 09-16 (Front desk services ends 1.1.2020)
Open: mon-fri kl 09-16
Köpmansgatan 10, 86600 Jakobstad
Email: fakturering.jstad@katterno.fi
24.12.-26.12. office closed
31.12. office open until 1pm
1.1.2020 office closed
Telephone service: mon-fri 09-16
Tel: (08) 411 0400
Open: tue-thu 09-11 & 12-15 (Front desk services ends 1.1.2020)
Tulolantie 21, 84100 Ylivieska
Email: laskutus.yka@katterno.fi

Frequently asked questions
Document archive
Find all documents regarding Herrfors and Herrfors Nät-Verkko. If you notice that a document is missing, please do not hesitate to contact our customer service.

Online services
Run your errands fast, easily and when it suits you best. At the moment you can find our online services only in Finnish and Swedish.
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