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Your phone is ringing and you don't know who is calling?

tellows provides information to identify trustworthy or potential risk calls - thanks to our worldwide community.

tellows – the free reverse search about phone numbers

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We categorise calls by type (debt collection, serious number, sweepstakes, etc.) and give the number in question a tellows score, which indicates whether a number is trustworthy or suspicious, helping you to decide whether or not to take the call.


Latest from our blog



    We've all had to deal with the same thing. Your phone rattles furiously as it's bombarded with nuisance call after nuisance call and you have no way of knowing who's calling. Will it be over enthused telemarketers or, perhaps even more annoying, a swift click and the dialing-tone drone? Should you take the call or ignore it? Who's on the other end?
    Rest assured that you're not alone. In a world where cold callers can sometimes seem to hold a global monopoly over phone lines, tellows aims to provide a solution. We function as a vast online database of phone number profiles, generated thanks to feedback and reviews from our online community. Providing an online platform where users can share their experiences of these kinds of calls and flag up numbers responsible for junk calls means that information on suspicious numbers becomes readily available, helping other members of the tellows community to anticipate potential risk calls. Join the international community that is currently operating in 47 countries with more than 200,000 users on a daily basis and download the new tellows app today for your iPhone or android. And whilst you are at it, take a look at our various other useful tools available for purchase in our tellows shop.
    Here at tellows.co.uk, not only can we provide up-to-date information on regional nuisance-call trends and currently active numbers with the heatmap, we also pinpoint the origin of your call and display it on a map by identifying the prefix.
    We ontop feature the pinpoint location your call originated from and display it on a map, using the dialling code. Learn more about international dialling codes.
    Want to hear more? We have some light reading material that might be of interest to you. Check out our tellows blog for news on the latest scams, tellows products and updates in telecoms regulations that affect you in the UK or simply grab a copy of our free tellows magazine, which came together after our many years of experience on the subject of telephone terror and scams. This not only includes important background information about phone fraud but the methodology behind it. A must read for all phone consumers.

    Recently added comments

    1. Pd reported utilita energy with the number 01246488759 as Harassment calls

      Having calls from this number 2/3 times a day for 3 weeks now which I never answer. It appears it's to do with utilita energy, recently I put a post on my energy providers community group regarding an issue which was resolved. Its wierd that since then I have been receiving these calls and even weirder that my phone number which I'm being called on isn't the one connected to my energy supply account.

      01246488759 (Chesterfield) - View details and comments - 103
    2. Lloyds scam has been reported with number 01733347007 as trustworthy number

      Do not trust number

      Pretending to be Lloyds bank. Don't believe the number they are using.

      01733347007 (Peterborough) - View details and comments - 3
    3. Ubreak Myballs reported Glasgow with the number 01417690264 as Harassment calls

      Highly negative classified number in several calls check sites.

      01417690264 (Glasgow) - View details and comments - 1

    Where does the information on telephone numbers come from?

    tellows provides a platform where those who receive frequent spam and scam phonecalls can share their knowledge on a particular caller by commenting on the phone number's profile. Profiles are generated automatically if a number is being searched for the first time. We categorise calls by type (debt collection, sweepstakes, etc.) and give the number in question a tellows score, which indicates whether a number is trustworthy or suspicious, helping you to decide whether or not to take the call. This risk rating is generated by a complex algorithm that incorporates data such as user ratings and search statistics. Want to find out more about how the tellows score works?
    The bulk of the information on the site comes from user reviews and our database is constantly expanding and becoming more detailed thanks to information from you, our online community. By providing information on a number, you can help innumerable other people to anticipate and avoid a malicious call.

    Comments on the most frequently searched phone numbers

    1. Pd reported utilita energy with the number 01246488759 as Harassment calls

      Having calls from this number 2/3 times a day for 3 weeks now which I never answer. It appears it's to do with utilita energy, recently I put a post on my energy providers community group regarding an issue which was resolved. Its wierd that since then I have been receiving these calls and even weirder that my phone number which I'm being called on isn't the one connected to my energy supply account.

      01246488759 (Chesterfield) - View details and comments - 103
    2. Art b reported pretending to be Vodafone with the number 01709357348 as Harassment calls

      Continually 'phones up.
      Really annoying!
      Now blocked (hopefully)

      01709357348 (Rotherham) - View details and comments - 55
    3. Pitt reported unknown with the number 01133202567 as Harassment calls

      Do not trust this No!

      01133202567 (Leeds) - View details and comments - 6
    4. The number 01200392300 has been assigned to unknown

      16:26 on 23rd November 2020. No reply to my "hello", and rung off.

      01200392300 (Clitheroe) - View details and comments - 6
    5. Nick reported unknown with the number 02075506354 as Harassment calls

      Purportedly HMRC, automated voice which got as far as β€œthe very moment you receive this call...” before I hung up. Hopefully nobody falls for the scamming b4st4rds...

      02075506354 (London) - View details and comments - 7

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