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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. Stym reported Spam Call with the number 8135661588 as Telemarketer

      Social Security scam

      8135661588 (St Petersburg) - View details and comments - 2
    2. Android reported Adalberto with the number 011524421744676 as Cost trap

      Llamo para extorsionar en mi negocio
      diciendo que son del cartel nueva generacion.

      011524421744676 (Tlacote El Bajo, Qro) - View details and comments - 8
    3. Nora reported Spam Call with the number 2406337169 as Telemarketer

      Computer support scam. Even the computerized voice speaks poor English.... "subscription for computer support has already expired two days back. so. Your account will be debited with $399 dollars and 99 cents tomorrow morning for the renewal of your subscription for the next three years once again. In case. If you do not wish to renew the subscription with us anymore press 1. To talk with our live representative. To assist you further."

      2406337169 (Maryland - the Western area) - View details and comments - 2
    4. Viking1979 reported said they were Chase Bank with the number 18009452000 as Harassment calls

      They keep calling my 14 year old daughter and when she kindly says to take her off of their list of "Chase card service" customers because of her age, the guy starts to say vulgarities. Once he told her how sexy she sounded, then that he's going to take her and make her his, then that he likes minors and that they were meant to be together forever before getting really dirty with his speech. I got on the phone and told him that he was a perverted psychopath that needs to shut the f up and stuff his mouth with some curry instead of trying this crap, then hung up. He called back from another number and tried all over again with me.

      18009452000 (Toll-Free USA-Canada) - View details and comments - 42

    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. Laura reported "Microsoft" with the number +18006427676 as Harassment calls

      'Mark' from 'Microsoft' called and was very aggressive stating that my email account has been hacked in three different states. That I needed to login to a computer and follow his commands to fix this. I asked him for his number to call right back. He said why can't you talk now, can you not hear me? I said I needed to use the restroom, he said the what? I said you know, where you poop! He started to give me a number to call him back, when I asked him to repeat himself he gave me a totally different number. SCAM SCAM SCAM!!!

      +18006427676 (Toll-free telephone number) - View details and comments - 23
    2. hilde reported hilde with the number +103003 as Harassment calls

      have called me daily the last days...i took the phone once,and a guy started to speak with a so horrible english that i could barely understand the first sentence...
      there is no reason for that people from other countries should call me, he sounds indian-ish,and i know they got call senters for scam there,so i assume it's another scam...
      so annoying when they just call over and over..is there no way to block all these calls from india??.. it should not be any reason to get a call from india unless you know somebody from there,or got some kind of contacts there...

      +103003 () - View details and comments - 8

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