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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. jordan reported number 011442038686337 with score 9

      i did not give nobody me telephone nomber and hole week and it's was a woman who I don't now

      011442038686337 (London) - View details and comments - 1
    2. Ed reported FPL with the number 18002263545 as trustworthy number

      Advising power was out and estimated time service is reinstated by.

      18002263545 (Toll-Free USA-Canada) - View details and comments - 1
    3. The number 011573153035855 has been reported as Sweepstakes, lottery

      Hi, this number is sending my sms saying that I won a lottery (I never took part) and I have to call him, of course, they are trying to rob my data.

      Este número me está enviando sms diciendo que gané una lotería (la cual nunca he comprado) y que debo llamarlos para reclamar el premio. Por supuesto me quieren robar los datos

      011573153035855 (Movistar (Telefónica Móviles Colombia) ,) - 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. ilGattons reported falso operatiri tel with the number 011390518956083 as Harassment calls

      Si spacciano per vodafone, segnalando aumenti di prezzo, per farti cambiare operatore

      011390518956083 (Bologna) - View details and comments - 4
    2. Brenda reported number 3200156084 as Wind

      Poco fa mi hano chiamato al sconosciuto

      3200156084 (Minnesota) - View details and comments - 8
    3. gsgshsh reported hshshjsjsjs with the number 6505051621 as Telemarketer

      hshhsjsjsjsjsjsj

      6505051621 (California - West Bay Area) - View details and comments - 5

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