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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, 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. Pete reported number 01130994507 as Harassment calls

      Ambulance Chasers about an accident I've never had. Avoid!

      01130994507 (Leeds) - View details and comments - 1
    2. geoff reported spam with the number 01130997419 as Telemarketer

      automated answer

      01130997419 (Leeds) - View details and comments - 1
    3. mdavies reported number 01616600890 as Telemarketer

      I have been constantly called by this number, I asked where they had got my number from and the woman said o2, I have never been with o2.

      01616600890 (Manchester) - View details and comments - 1
    4. Richard Hill reported number 001708866114 with score 9

      Female recording range saying they will cut off our Phone and Internet. Then it says Press 1 for BT and 2 if you want to disconnect. We get these calls daily. I can't get any information on this number

      001708866114 (Blue Island) - 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. The number 01251120022 has been rated with the score 9

      Hung up when answered

      01251120022 () - View details and comments - 27
    2. Mandamc reported number 01138198111 as Telemarketer

      Called me 5 times since yesterday. Hung up when I finally answered so now blocked.

      01138198111 (Leeds) - View details and comments - 12
    3. Worried daughter. reported Mistral with the number 01792823907 as Harassment calls

      This number rings my elderly mother who has dementia a few times a week demanding money or they’ll cut her phone off. If I could get hold of the scamming t%*t I would shove the phone so far down his throat he wouldn’t be able to scam again. These people are a stain on humanity

      01792823907 (Swansea) - View details and comments - 8
    4. Claimed to be HRMC has been reported with number 03002003432 as Cost trap

      03002003432 don't answer don't press 1 they say it HRMC from the tax office if you don't continue you will be served a warrant for your tax probably get a big bill just for answering

      03002003432 () - View details and comments - 8
    5. Gigi reported HMRC with the number 01285706688 as Harassment calls

      Scam number pretending to be HMRC officer Claire Williams

      01285706688 (Cirencester) - View details and comments - 11


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