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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. The number +971524798438 has been assigned to Golden Tree Hospital Abu Dhabi

      Employment Scam. Website all very convincing but research the doctors at hospital and they are all working somewhere else.

      +971524798438 () - View details and comments - 1
    2. Andrew reported number 02080895308 as Mr Green Casino

      Text from Mr Greens with promotional link https://bit.ly/2YjaApe

      02080895308 (London) - View details and comments - 1
    3. gorbaceps reported secret agent with the number +13232969717 as trustworthy number

      special agents of the world who are assigned to pursue and capture world-class criminals

      +13232969717 (Los Angeles) - View details and comments - 2
    4. gorbaceps budiman reported secret agent with the number +13232969717 as trustworthy number

      members of the military secret, who work to pursue world-class criminals

      +13232969717 (Los Angeles) - View details and comments - 2
    5. Grumpy reported Talk Talk fake with the number 01389507927 as Harassment calls

      I had four of these calls in one day last week. I have stopped answering them. The criminals have a method by which they can apparently use a different fake number each time. They usually say they are from Talk Talk or B.T. They want to infect my computer.

      01389507927 (Dumbarton) - 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. Raf reported Vodafone (probably) with the number 01709357345 as Harassment calls

      Said it was Vodafone, I was expecting it to be far less noisy from the other side if it was genuine. The phone also reported the number as possible spam before I answered.

      01709357345 (Rotherham) - View details and comments - 34
    2. London business woman reported number 01613990268 as Harassment calls

      Like previous commentators, I had a call asking which school I would like to nominate to receive the anti-bullying booklets now that they'd been printed. When I challenged the female caller (I NEVER agree to anything financial on the phone) she also said she had a recording of the conversation to prove I'd agreed to sponsoring the booklet last year. I asked her to send a digital file of this recording and guess what, she hung up!

      01613990268 (Manchester) - View details and comments - 7
    3. Pete reported number +442039667579 with score 9

      Keeps calling me, and by slightly varying the number of calls at, it keeps getting past my blocking. Once it even left me a voicemail message, which sounded like someone had just pocket-dialed me.

      +442039667579 (London) - View details and comments - 10
    4. Knowyourcaller reported number 09022610013 as Harassment calls

      Silent call. No one on other end. Call didn't end until I made a noise. These calls are designed to test whether a number is in use and then you get a flood of scams from other numbers which can be decieving

      09022610013 (premium rate service) - View details and comments - 7
    5. HMRC has been reported with number 01615096463 as Cost trap

      SCAM. Didnt phone back but know vulnerable / elederly will ....
      Hopefully Police or fraud will investigate

      01615096463 (Manchester) - View details and comments - 8

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