Start with the full number.
Include the leading 0 or +44. A partial prefix cannot tell you what people reported about a particular number.
Check a number →Start with the full number. Read the available evidence. Then choose how to respond.
Start a number checkInclude the leading 0 or +44. A partial prefix cannot tell you what people reported about a particular number.
Check a number →Read the categories, counts and dates together. Reports describe community experiences, not verified identities. An empty record is not a safety verdict.
Explore reported numbers →Ofcom allocation data explains the range. Block lookups show interest over time, not harmful calls or a shared caller.
See what people are reporting →If the contact was unexpected, verify independently before sharing information or making a payment. Caller ID alone is not proof.
Read the practical call guide →Report a call you received without naming a person or adding private details. Legitimate contact adds context too.
Corrections use a separate, free route. Ownership tools and payment never change the evidence.
Ask for a correction →Every record shows where its information comes from: community reports with their dates, and Ofcom’s allocation data for the number’s range.
See our published data →