> I'm highly skeptical of unknown numbers and they're almost always telemarketers or scam calls bu This is generally true, but... In Switzerland calls from ba

> I'm highly skeptical of unknown numbers and they're almost always telemarketers or scam calls bu This is generally true, but... In Switzerland calls from banks (and doctors and lawyers) don't submit numbers. That's due to secrecy laws (at least in the case of banks) That said, in 45 years I never received a call from a bank.