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

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Find details about reported phone numbers from over 7 million monthly users in 50 countries and participate by becoming a part of tellows community.

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Download the tellows App for Android and iPhone to activate spam protection on the Go.

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Get information about the current scam methods and how to prevent them in our blog, magazine and press and follow us on Twitter, Facebook and Instagram.

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tellows Insights

Unique studies based on extensive data, research and expert knowledge.

Business

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Ratings from community
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Registered users
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API requests

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.

    New unwanted phone numbers

    On tellows, thousands of phone numbers are reported by the community every day. Here you can find phone numbers that were reported for the first time and were classified as unwanted.
    1. The number ‎+393444957302 has been assigned to unknown

      12/10/23, 10:42 AM

      Received message with blank text...

      1 Rating for +393444957302 (Cellulare)
    2. The number ‎5012429517 has been assigned to unknown

      12/10/23, 8:27 PM

      ...

      1 Rating for 5012429517 (Arkansas)

    Recently added comments

    1. The number ‎5012429517 has been assigned to unknown

      12/10/23, 8:27 PM via Nize

      1 Rating for 5012429517 (Arkansas)
    2. The number ‎+393444957302 has been assigned to unknown

      12/10/23, 10:42 AM

      Received message with blank text

      1 Rating for +393444957302 (Cellulare)
    3. The number ‎8144632874 has been assigned to unknown

      12/9/23, 3:08 PM via Nize

      2 Ratings for 8144632874 (Endeavor)
    4. The number ‎8144632874 has been assigned to unknown

      12/9/23, 3:08 PM via Nize

      never say anything

      2 Ratings for 8144632874 (Endeavor)
    5. The number ‎8144693966 has been assigned to unknown

      12/9/23, 12:52 PM via Nize

      1 Rating for 8144693966 (Pennsylvania)

    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. iPhone reported number ‎+9794240044 as unknown

      12/4/23, 8:55 PM via iPhone App

      888 Ratings for +9794240044 (tellows)
    2. Agr reported Medical insurance scam with the number ‎9785333538 as Harassment calls

      12/2/23, 10:20 PM

      Caller id United Hlthcare. They stated my name correctly. Asked if I took a flu shot

      4 Ratings for 9785333538 (Andover)
    3. Android reported unknown with the number ‎6505551212 as Trustworthy number

      12/8/23, 4:44 AM via Android App

      6 Ratings for 6505551212 (California)
    4. Legend Susan WA reported Fraudulent services with the number ‎+17864714270 as Harassment calls

      11/24/23, 7:37 AM

      Robocall trying to get me to give them my personal details to give me a free service. Don't buy it.

      3 Ratings for +17864714270 (Florida)
    5. iPhone reported unknown with the number ‎7862227254 as SMS spam

      12/8/23, 6:51 AM via iPhone App

      3 Ratings for 7862227254 (Florida)

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