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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, 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 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. shrewbuddy86 reported number 7184509225 as Ping Call

      Called four times over the span of a day and never left a message.

      7184509225 (New York) - View details and comments - 3
    2. . reported number +11009 with score 7

      Number called 7 or 8 times within a few hours. Left silent messages (sometimes as much as 3 minutes of silence in my voice mail) each time.

      Not sure what they're about, but they seem like spam, at best.

      +11009 () - View details and comments - 1
    3. Barbara Smith reported Link’s Locksmith Services with the number 9046158397 as trustworthy number

      Link’s Locksmith Services 904-615-8397 is located at 903 Candlebark Dr, Jacksonville, FL 32225
      Links Locksmith Services of Jacksonville Florida is a Mobile Locksmith.
      Links Locksmith Services Located is the best Locksmith Jacksonville FL

      9046158397 (Daytona Beach) - View details and comments - 1
    4. Don Connor reported Imposters scam with the number 8002752273 as Cost trap

      Apple Account Imposter SCAM from 800-275-2273

      8002752273 (Toll-free telephone number) - View details and comments - 2
    5. KC reported number 8133282990 as ACIV

      I get frequent calls daily. I do not recognize the number so I have never answered, but the numerous calls are getting annoying.

      8133282990 (St Petersburg) - View details and comments - 2

    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. Spy vs Spy reported number 8009452000 with score 5

      This number called me for the first time today at about 1130. I NEVER answer calls from anyone that is not on my contact list. They were kind enough to leave me a 4 second empty voicemail. I immediately blocked them.

      8009452000 (Toll-free telephone number) - View details and comments - 48
    2. jmm reported Rebecca / Processing Dept with the number 9492885753 as Cost trap

      9492885753 (California) - View details and comments - 29
    3. Debt scam reported number 8775408128 as Debt reducing fraud

      Student loan debt reducing scam

      8775408128 (Toll-free telephone number) - View details and comments - 14
    4. Bob reported Imposters scam with the number 6468956225 as Harassment calls

      Got called by them twice in one day.
      agent cathy jones Claiming that my SSN was suspended and that the cops where after me. Tells me to call them back before I am Arrested.

      6468956225 (New York) - View details and comments - 12


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