Free Phone Number Lookup
Look up any UK number
Enter a phone number to see community reports, spam scores, and caller information. Our database contains millions of UK phone numbers.
Examples: 020 7946 0958, 07700 900123, 0800 123 4567
UK Number Formats
We support all UK phone number formats
Landlines
Geographic numbers starting with area codes
020 xxxx xxxx
0121 xxx xxxx
0161 xxx xxxx
Mobile
UK mobile numbers
07xxx xxxxxx
074xx xxxxxx
075xx xxxxxx
Freephone
Free to call numbers
0800 xxx xxxx
0808 xxx xxxx
0500 xxxxxx
Premium
Higher rate numbers
09xx xxx xxxx
084x xxx xxxx
087x xxx xxxx
Frequently Asked Questions
How does the phone number lookup work?
Our lookup uses community-submitted reports to identify callers. When someone receives a call, they can report the number and share details about who called. This builds a database that helps everyone identify unknown callers.
Is this service free?
Yes, CallerCheck is completely free to use. You can look up unlimited phone numbers and submit reports without creating an account or paying anything.
What information can I find about a number?
You can find the geographic area of the number, the type of number (mobile, landline, etc.), community reports about the caller, spam scores, and how many times the number has been searched.
How do I report a spam caller?
Simply search for the number, then scroll down to the "Share Your Experience" section on the number's page. Fill in the form with details about the call and submit your report to help others.