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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.

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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.

    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. Hikane reported Car Warranty Scam with the number 4075548330 as Cost trap

      I don't even own a car but they had an AI named Barbara talking to tell me that my car's warranty wa...

      4075548330 (Winter Park) - View details and comments - 1
    2. Robocallers Suck reported Vehicle Service Department with the number 7606593800 as Telemarketer

      Unwanted useless spam call, Susie from the Vehicle Services Department left message offering to exte...

      7606593800 (California) - View details and comments - 1
    3. Ana reported unknown with the number 2407282089 as SMS spam

      are recent happenings hurting your account balance? Youre suitable to request as much as 999 today! ...

      2407282089 (Maryland - the Western area) - View details and comments - 1
    4. Ana reported unknown with the number 8889022118 as SMS spam

      Sms spam with link 02/25/21
      “ ... if you own a timeshare and interested in selling, Reply YES & Ple...

      8889022118 (Toll-free telephone number) - View details and comments - 1
    5. Ana reported unknown with the number 9472252290 as SMS spam

      Sms spam with link 02/23/21:
      “ Hey Ana, start the morning with 700.

      Start by replying GO


      9472252290 (Michigan) - View details and comments - 1
    6. Ana reported unknown with the number 6199002177 as SMS spam

      Sms spam with my name 02/17/21
      Morning Ana, request up to 850.

      Start by sending Go

      Reply can...

      6199002177 (San Diego) - View details and comments - 1
    7. John reported Butler Scammer with the number 9734922863 as SMS spam

      Scam call....

      9734922863 (Butler) - View details and comments - 1
    8. Robocallers Suck reported unknown with the number 8055908104 as Telemarketer

      Unwanted useless annoying spam call, no message, the usual incompetent scammer or robocaller. Block...

      8055908104 (Thousand Oaks) - View details and comments - 1
    9. Robocallers Suck reported unknown with the number 8053781532 as Telemarketer

      Unwanted useless annoying spam call, no message, the usual incompetent scammer or robocaller. Block...

      8053781532 (Moorpark) - View details and comments - 1
    10. Robocallers Suck reported unknown with the number 8058122889 as Telemarketer

      Unwanted useless annoying spam call from caller ID of United States, no message, the certain incompe...

      8058122889 (Los Angeles) - View details and comments - 1

    Recently added comments

    1. ricky reported Portfolio Recovery Spammers with the number 4322954032 as Debt collection company

      Portfolio Recovery Spammers

      4322954032 (Texas) - View details and comments - 2
    2. Sandra Dique (Kelli) reported STACI BURG with the number 5073825744 as trustworthy number

      friend personal cell number

      5073825744 (Minnesota) - View details and comments - 1
    3. jwill reported Ken Stevens with the number 9493919536 as Cost trap

      Wants to refinance my mortgage. I never called him but he acts like I did. He leaves no company name.

      9493919536 (California) - View details and comments - 3

    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. Android reported number +9794240034 as unknown

      cuando lo aprueve le digo
      por favor

      +9794240034 (tellows) - View details and comments - 367
    2. The number 3152328257 has been assigned to Imposters scam

      called about 10 times from different phone numbers and leaves a voice mail to call this phone number

      3152328257 (Adams) - View details and comments - 118
    3. Debt reducing fraud has been reported with number 5012740454 as Debt collection company

      5012740454 (Little Rock) - View details and comments - 6
    4. dd reported number 2816662359 as Imposters scam

      Caller called wanting to purchase a property. Funny thing is I haven't owned property in years.

      2816662359 (Crosby) - View details and comments - 6


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