🛑 How to stop spam calls
Five concrete steps to get fewer spam and scam calls in Denmark.
Sidst opdateret: 2026-06-15
1. Sign up for Robinsonlisten
Robinsonlisten is an official register where you can opt out of unaddressed advertising — including telephone sales. Companies must check the list before they call you with marketing. Signing up is free via Det Centrale Personregister / Erhvervsstyrelsen.
2. Block the number on your phone
Both iPhone and Android can block a number so it never calls again. See our guide How to block a number.
3. Use a Caller ID app
A caller app shows who is calling — and warns you about known spam numbers before you answer. Nummeropslag is available for iOS and Android.
4. Don't answer unknown foreign numbers
If you get a single ring from a foreign number you don't know, don't call back — it could be wangiri scam.
5. Report and look up the number
Look up the number here on the site and mark it if it was spam or a scam. It helps others. Actually illegal telephone sales can be reported to Forbrugerombudsmanden.
Ofte stillede spørgsmål
Is telephone sales legal in Denmark?
Unsolicited telephone sales to private individuals are generally prohibited without prior consent — with a few exceptions (e.g. newspapers, insurance, books). Violations can be reported to Forbrugerombudsmanden.
Does blocking the number help?
Yes, against that specific number. But scammers often change numbers, so blocking plus a caller app that knows many numbers works best together.
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Flere guides
Smishing: how to spot fake scam texts (PostNord, MitID, bank) · Wangiri scam: never call back unknown foreign numbers · Sådan blokerer du spam- og fupopkald på iPhone og Android · What does +45 mean? · How does Nummeropslag.dk work? · Danish phone numbers: types and structure · MitID- og banksvindel på telefonen: sådan undgår du fælden · "Hej mor"-svindel og AI-stemmer: sådan tjekker du, om det er ægte · Hvem ringer fra et 70-, 80- eller 90-nummer? (og hvad koster det) · Ukendt dansk nummer ringede — sådan finder du ud af, hvem det er · Spamopkald i Danmark — sådan stopper og anmelder du dem