Blog: unknown calls, scams and UK numbers

Plain guides about the calls people ask us about most. Where we can, we use what visitors reported on Who Calls You, so the advice is based on real calls, not guesses.

Unknown calls · 8 November 2026

Should you call back an unknown number?

Missed a call from a number you do not know? What real UK call reports tell us, which numbers cost money to call back, and a safe 4-step check before you ring.