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Know who's calling before you pick up

Instantly check any UK phone number. See spam scores, read community reports, and protect yourself from scams.

Scam Alert

Recorded calls offering a part-time job and asking you to add a number on WhatsApp are a scam. What CallerCheck's reports show, how the scam works, and what to do.

449,140
Numbers Tracked
22,055
Community Reports
429
High-Risk Numbers
4,671
Lookups Today

Figures refresh every few minutes · last updated 23 seconds ago

Where our data comes from

Data from the community

Risk scores are based on reports from people who received the call.

How scores are calculated

Spam scores are based on how people rated the number in their reports. More about spam scores.

Screened before it counts

Reports are checked by our team before they are published or affect a score. About CallerCheck.

Built on community reports and UK safety guidance — CallerCheck combines reports from real users with risk scoring, moderation, and safety guidance informed by UK organisations such as Report Fraud (formerly Action Fraud), Ofcom, the ICO, the NCSC, 7726 spam-text reporting, and the 159 banking helpline where relevant.

What people say about CallerCheck

Five-star reviews from people who used the site, as posted on Trustpilot.

“Free service gave, instant answer gave enough data for me to realise it was probably a scam - hence forewarned I shall not be answering this number should it ring again,”

Robert Good October 2026 Read on Trustpilot (review by Robert Good)

“Good website. Very easy site to navigate and to leave comments for other users to see.”

SIMON October 2026 Read on Trustpilot (review by SIMON)

“Easy to report and felt I was able to do something proactive after hoax txt/call.”

Nicki October 2026 Read on Trustpilot (review by Nicki)

“Quick and easy to report hopefully other people will google this number and know it is a scam call”

Lorraine Cumbo October 2026 Read on Trustpilot (review by Lorraine Cumbo)

“The navigation process of checking numbers, and checking and reporting a nuisance / scam call is easy and straightforward. It is a useful website, as it also contains steps on how to block such calls from mobiles and some landlines. It list latest calls reported and most checked - the risk colour coding is clear. It also has a UK area code directory. CallerCheck.co.uk is now my go to for checking.”

S G September 2026 Read on Trustpilot (review by S G)

“Call checked within minutes without the run around. Great service”

Mr G Dodd September 2026 Read on Trustpilot (review by Mr G Dodd)

“Did not ask for payment details like other companies.”

Mr Joseph Mosson September 2026 Read on Trustpilot (review by Mr Joseph Mosson)

“very easy to use”

Peter Craig September 2026 Read on Trustpilot (review by Peter Craig)

“No sign up just number check without faff.”

Stephen Hatch July 2026 Read on Trustpilot (review by Stephen Hatch)

“It was so easy and helpful I really felt comfortable reporting the issue I had great help thanks πŸ™”

John Casey-king July 2026 Read on Trustpilot (review by John Casey-king)

“Straightforward checking of number. Didn't want or need all the background checks that most of the other companies do.”

Leonard Baker July 2026 Read on Trustpilot (review by Leonard Baker)

“The site enabled me to enter details of the spam call easily and quickly.”

David Barker June 2026 Read on Trustpilot (review by David Barker)

“Good information and very quick response. Very helpful thank you 😊”

Sami Cibo June 2026 Read on Trustpilot (review by Sami Cibo)

“Easy and quick to use”

R Buckingham June 2026 Read on Trustpilot (review by R Buckingham)

“Being able to register your own personal phone numbers is a bonus as it alerts you to spoofing.”

Mal Rothwell June 2026 Read on Trustpilot (review by Mal Rothwell)

“Giving other people the heads up about scam calls from so called bank security !!”

Peter Dane April 2026 Read on Trustpilot (review by Peter Dane)

“Was able to complete the online form easily. As an elder, this is appreciated. Was concerned about a scam call.”

Valerie Collins April 2026 Read on Trustpilot (review by Valerie Collins)

“Very easy to use and extremely helpful information on this website. Very helpful tips to avoid scam phone calls and texts. Will definitely use again and advise others too.”

Genius March 2026 Read on Trustpilot (review by Genius)

“Really useful to look up who’s constantly calling so I can decide whether to pick up, hang up or send to voicemail”

RT January 2026 Read on Trustpilot (review by RT)
New: CallerCheck for iPhone

Get warned before you answer

The app puts CallerCheck on your phone. Numbers people have reported as scam or spam show a warning when they ring, so you know before you pick up.

  • Caller ID warnings Reported numbers are labelled when they call and in your Recents. Nothing about your calls leaves your phone.
  • Check any number in seconds Paste it from Recents or share a contact, then read what other people in the UK have said.
  • Report a call in under a minute Warn others about a scam or nuisance caller, and see when your report is published.
Download on the App Store Free to download · iPhone
Live Feed

Latest Community Reports

Suspicious 1 hour ago
0330 818 0226

"Didn't verify their identity, called multiple times"

Suspicious 5 hours ago
01908 047948

"Repeated calls over several days which I did not answer and then blocked"

Unknown 11 hours ago
01372 572031

"No one spoke, silence, no message left."

Silent / No Message
Spam 1 day ago
01260 460593

"Similar 2 numbers and they were just 2 digits I got 01260 460593 and 01260 460542 I think it's generally spam / suspicious. Its a service number but a random call so it's a nuisance"

Unknown 2 days ago
07856414322

"Called for as long as it takes for voicemail to kick in but then left no message. If it was that important to call for that long - then why not leave a message...?"

Suspicious 2 days ago
09 137592124

"charges for calls"

Suspicious 2 days ago
01389 493417

"Asked for personal info was expecting an urgent call from my hospital. I thought this was it so called them back. The message read to call Mrs Gillian Kemp urgently. The phone reception was not clear as they started asking personal information, I became suspicious and asked them to clarify who they were they mumbled details so l said I must have the wrong number and ended the call."

Unknown 2 days ago
0800 761 3372

"Didn't answer in time. Didn't speak to answering machine."

Suspicious 3 days ago
07471290389

"Rang three times then hung up"

Unknown 4 days ago
07487591250

"Didn't answer in time, Number not recognised, No voicemail left."

Missed Call
Spam 4 days ago
0800 028 2321

"Possible AI voice claiming from BT telling me to press a button to listen to a message, as an EE customer now for two years, and was a BT customer for years, they never phoned me, if anything, I phoned them. it's obviously a scam."

Spam 5 days ago
07537453969

"Unsolicited SMS recording, robocall."

Robocall / Automated Spam
AI Insights

What Our AI Has Discovered

Our AI reads the approved community reports for a number and summarises the patterns it finds. It doesn't set spam scores, which come from the reports themselves, and every summary links to the reports behind it.

07860043075 87% Risk

This UK mobile number on the O2 network is mainly seen in UPS scam texts about deliveries. Reports describe impersonation of UPS delivery notices, sometimes directing you to call this number, and occasionally tying in a company like SKS UK Ltd. There are also mentions of Amazon-themed texts using the same number. Common red flags include grammar mistakes, deadlines to reply, and pressure to act quickly. A few reports note it’s been used for UPS returns texts; one user warned it could be legitimate, but the grammar and wording were suspicious. If you don’t recognise the sender, ignore and block. Verify any delivery by contacting UPS through official channels, not this number. Do not click or reply.

42 reports analysed View details
07537453904 86% Risk

This UK mobile number, registered with Vodafone, is frequently associated with scam text messages claiming you owe money for parking fines. Reports consistently mention that the sender knows your vehicle registration number, but provides no details about where or when the supposed parking violation occurred. Some people have received demands for payment via text or email, often for a significant amount like Β£170, even though they received no prior official letters or warnings. Several users have tried calling back and were met with evasive responses when asking for more information, with one user reporting that the caller hung up when pressed. It is strongly advised not to engage with these messages or call back; consider this a parking fine scam.

19 reports analysed View details
020 4613 1964 64% Risk

Calls from this London number on BT are repeatedly described as spam and suspicious. With 18 reports, the pattern includes foreign or robotic voices, automated messages, and several calls in one day. Some reports mention scams about damp problems or loft insulation, and one claims impersonation of a company called BRS; others say the caller asks for your name and then hangs up. Upvotes are not recorded for these reports, so reliability is mixed, though the spam score is high at 83/100. If you answer, be cautious; this looks likely to be a scam. Do not share personal informationβ€”hang up, block the number, and verify through official channels.

18 reports analysed View details
023 82011259 86% Risk

Calls from this Southampton and Portsmouth-based number, carried by Gamma Telecom, are linked to energy supplier matters about switching meters. Some reports describe legitimate Utilita interactions, including confirmations from the app. However, the majority describe this as high risk of scam, with automated calls and voicemails pushing a switch when users are already with Utilita. The spam score is 94/100. If you’re unsure, do not engage and contact Utilita via official channels or your account app, then block the number if needed.

18 reports analysed View details
0333 004 6113 87% Risk

Calls from this Gamma Telecom Holdings number appear to be a Barclays scam. Reported as Bank impersonation of Barclays fraud department and flagging fraud on Barclays cards, often via automated robocalls. The pattern is supported by multiple messages asking you to call back, and attempts to extract bank details. With 18 reports, there are no upvotes or downvotes to gauge confidence, but the consistent theme is clear. Red flags include pretending to be your bank, urgent messages, and requests for personal or card information. If you receive such a call, hang up, do not share bank details, and verify directly with Barclays using official channels.

18 reports analysed View details
07441425332 76% Risk

Calls from this UK mobile number are repeatedly described as a DWP survey scam. Reports claim the caller pretends to be doing research or a survey for the Department for Work and Pensions, often about ESA, and sometimes after 7pm or on unusual days like Mother's Day. The carrier is listed as Tismi BV. With 17 reports, the concerns are consistent, though there are no upvotes/downvotes recorded here. Common red flags include unsolicited DWP survey claims, asking for details, and suggesting a follow-up by post. Given the high spam score (79/100), treat as suspicious. DWP survey scam β€” hang up immediately and verify with official DWP channels before sharing any information.

17 reports analysed View details
01924 601498 92% Risk

Calls from this Wakefield number, carried by Voxbone SA, are overwhelmingly reported as spam, with users describing automated or robocalls. Many reports indicate the callers impersonate BT (British Telecom), claiming your broadband, landline, or mobile contract is about to expire or needs renewal. Some callers become insistent when questioned, and one report details a caller claiming to be from EE and then charging significantly more than agreed. If you receive a call from this number, it's best to hang up and block it, as these are likely scam attempts to gain personal information or money.

17 reports analysed View details
0151 6792335 89% Risk

Calls from this Liverpool-based number, routed through Core Telecom, are being reported as aggressive scam attempts posing as utility suppliers. Multiple reports say callers claim issues with your postcode or meter readings and press for your account number, previous invoices, or sensitive data. The tone is pushy and, in some cases, nasty. These are commonly used to obtain meter readings or account details. With 16 reports and a spam score of 96/100, the risk level is high risk; there are no upvotes or downvotes noted, so consensus is unclear. If you receive such calls, hang up immediately and do not share information. Verify any concerns with the supplier contact details on your bill or website, and block the number if persistent.

16 reports analysed View details
Protection Guides

Learn to Protect Yourself

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Cryptocurrency Investment Scam Calls

Cold calls promising huge returns from crypto trading are scams. How these calls work, what the FCA says, and what to do if you get one.

10 min read · Updated 27 Oct 2026
NEW

Fake Virus Warning Popup Scams

Fake virus warnings that lock your browser and tell you to call a phone number are scams. How these popups work, how to close them safely, and what to do if you already called.

9 min read · Updated 27 Oct 2026
NEW

BT and Broadband Scam Calls

Scam calls claiming to be from BT, Openreach or your broadband provider saying your internet has a fault. How to tell them apart from real calls and what to do.

9 min read · Updated 27 Oct 2026
NEW

Antivirus Subscription Renewal Scams

Scam emails claiming your Norton or McAfee antivirus has been renewed for hundreds of pounds. You call to cancel, they ask for remote access, and they steal your money.

9 min read · Updated 27 Oct 2026

Microsoft Tech Support Scam Calls

Cold calls claiming to be from Microsoft saying your computer has a virus. How these scams work, what happens if you give them access, and what to do.

10 min read · Updated 27 Oct 2026

Courier Fraud

Someone rings pretending to be your bank or the police and sends a courier to collect your bank card. How courier fraud works, who it targets, and what to do.

10 min read · Updated 27 Oct 2026

Accident Claims Cold Calls

Getting calls about a car accident you never had? How accident claims cold calls work in the UK, where they get your number, and how to report them to the ICO.

9 min read · Updated 27 Oct 2026

Caller ID Spoofing

Scammers can make any number appear on your phone, including your bank's real one. How spoofing works, how to spot it, and what to do if your own number is being used.

7 min read · Updated 27 Oct 2026

How it works

Three simple steps to identify any caller and protect yourself from phone scams

1

Enter the number

Type or paste any UK phone number into the search box above

2

Check the score

Instantly see the spam score and risk level based on community data

3

Read the reports

Browse detailed reports from real people who received the same call

Scam information and protection tips

Common Scam Types in the UK

How to Protect Yourself

Never share personal details
Banks will never ask for your PIN or password
Hang up and call back
Use the official number from their website
Check numbers on CallerCheck
See if others have reported the same number
Report the scam
Tell Report Fraud (formerly Action Fraud) on 0300 123 2040

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