Who is calling?

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. prima reported number 125725497606 as unknown

      Vorwahl const., letzte Ziffern verändern sich ständig

      125725497606 () - View details and comments - 1
    2. Urban Air Adventure Park reported Urban Air Adventure Park with the number 7633071003 as trustworthy number

      -
      Urban Air Trampoline & Adventure Park

      3580 Holly Lane North, Plymouth, MN 55447
      (763) 307-1003
      Email Us: [email protected]

      If you are looking for the best year-round indoor amusements in the New Hope, Crystal, Golden Valley, Robbinsdale and Plymouth areas, Urban Air Trampoline and Adventure park is the perfect place. With new adventures behind every corner, we are the ultimate indoor playground for your entire family. Take your kids’ birthday party to the next level or spend a day of fun with the family and you will see why we are more than just a trampoline park.

      Business Hours:
      • Mon - Thu: 4:00 PM to 8:00 PM
      • Fri: 12:00 PM to 11:00 PM
      • Sat: 10:00 AM to 11:00 PM
      • Sun: 10:00 AM to 8:00 PM

      7633071003 (Minnesota - Minneapolis Suburbs) - 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. Jane reported number 2036106501 with score 9

      Calls my office number multiple times a day for the last several days. Leaves no voice mail.

      2036106501 (Connecticut) - View details and comments - 17
    2. Jkp reported Credit Card Services with the number 8009452000 as Telemarketer

      Keep getting calls from these people wanting to offer “ lower rates” on my cretinous cards. Like I would ever give up my information.

      8009452000 (Toll-Free) - View details and comments - 15
    3. Fernando Razo reported USAFIS with the number +15147008252 as Sweepstakes, lottery

      Llaman diciendo que necesitas pagar $1500 Dolares para que te den un trabajo en Canada, y te piden que des datos de una tarjeta bancaria para hacer el cobro. FRAUDE.

      +15147008252 (Quebec, Montreal ) - View details and comments - 9
    4. The number +17864608533 has been rated with the score 9

      This number called me numerous times during the day. Because I live in Europe and was concerned about extra fees I did not pick up the phone. Though I did some research and it appears to be a green card scam.

      +17864608533 (Florida - Overlay the 305 area) - View details and comments - 6

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