How to reach Knab: report fraud or phishing, file a formal complaint, and escalate to Kifid if it isn't resolved — verified channels and numbers.
Fraude Alarmlijn: 020 303 1659. Phishing: valse-email@knab.nl. Post: Thomas R. Malthusstraat 1-3, 1066 JR Amsterdam. Daarna Kifid.
Source: knab.nl · verified 2026-05-29
For anything urgent (a suspicious debit, stolen card, phishing) call Knab's fraud line (see the note above) and freeze your card.
For a dispute or complaint, use the official channel above. Keep proof: dates, screenshots and transactions.
If Knab doesn't reply or doesn't resolve it (usually after 8 weeks), bring your complaint to Kifid for free.
If Knab doesn't resolve your complaint, you can take it (free) to:
Kifid →Paste the link, number or email and get an instant safety check — free, no account.
Open the scam-checker →