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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 rings 24/7 and shows no sign of stopping, but if ever you should pick up, all you hear is the incessant yabbering of a telemarketer or nothing at all. You're infuriated by the anonymous calls jamming your phone line. Is there some way of finding out who is on the other end? Do you pick up or leave it ringing? Who is calling?
    Sound familiar? There are thousands of people asking the same question every day. In response to this universal problem, tellows functions as an online database of telephone numbers associated with spam and scam activity reported by you, our users. By sharing your experiences with unknown numbers, you'll be providing vital warning information to other users unsure about whether or not to trust a certain caller. The more information is shared, the bigger the database grows and thus the chance of finding out who's at the end of that anonymous call becomes higher and higher. Thanks to the tellows app you can identify unknown callers on your iPhone and Android! Whilst you are at it, take a look at our various other useful tools in our tellows shop today.
    Here at tellows.com, 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.
    Used by over 200,000 people daily, tellows provides its services to people in over 47 countries, but tellows.com is geared specifically towards those residing in North America. 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 or 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.

    Recently added comments

    1. kutumbaba reported telemarketing cimb niaga with the number 011622180828256 as Debt collection company

      nanya2 data pribadi pengguna cc niaga.

      011622180828256 (Jabodetabek (kecuali Sawangan dan Bojong) - View details and comments - 1
    2. Roger reported 30secondexplainervideos with the number 3478095956 as Telemarketer

      Left contact request for real estate information, to solicit their service. This type of abuse of my time, resources & money, should be illegal.

      3478095956 (New York) - View details and comments - 2
    3. The number 86282452253 has been assigned to Unavailable

      They routinely call me on Sunday nights.

      86282452253 (New Jersey) - View details and comments - 12
    4. David toler reported number +13074141517 as dont know

      information on this number

      +13074141517 (Wyoming) - View details and comments - 1

    Where does the information on telephone numbers come from?

    Huge amounts of data are entered into tellows sites worldwide each day - further comments on existing numbers as well as entirely new number profiles from first-time searches - all thanks to our users. User contributions are key to tellows' central function: the tellows score. Each time information on a number is given, the information is put through a complex algorithm to generate a trustworthiness rating, on a scale of 1-9. The respective score is clearly displayed at the top of the profile page for each number, making identifying an unknown caller possible in a matter of seconds and saving you not only time, but the frustration of dealing with annoying sales calls.


    Comments on the most frequently searched phone numbers

    1. iker reported iker with the number 3120000000 as trustworthy number

      hola esto funciona?
      bueno lo probaré

      3120000000 (Illinois - Chicago) - View details and comments - 58
    2. Dave reported number 4049942810 as Kimberly Marshall

      Received call from kimberly marshall alleging she had made several attempts to deal with a complaint filed against me. This is not true. There is no such complaint.The female voice then threatened immediate action me if I did not return the call that day to the 404 number!
      I will contact Ill. Atty General office and the appropriate federal agency instead to report these crooks!

      4049942810 (Georgia - Metro Atlanta) - View details and comments - 37
    3. Me reported Uber with the number +15204453750 as Cost trap

      Pacaleala, nu raspundeti. Veți plăti taxe suplimentare.

      “Codul tău Uber: 4681. Răspunde cu STOP la +1 520-445-3750 pentru a te dezabona.”

      +15204453750 (Prescott) - View details and comments - 18
    4. sarah williams has been reported with number 2762999852 as Debt collection company

      Fake debt collector. Same reference number used for all individuals contacted. SARAH WILLIAMS - FAKE DEBT COLLECTION

      2762999852 (Virginia) - View details and comments - 9