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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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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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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 rattles furiously as it's bombarded with nuisance call after nuisance call and you have no way of knowing who's calling. Will it be over enthused telemarketers or, perhaps even more annoying, a swift click and the dialing-tone drone? Should you take the call or ignore it? Who's on the other end?
    Rest assured that you're not alone. In a world where cold callers can sometimes seem to hold a global monopoly over phone lines, tellows aims to provide a solution. We function as a vast online database of phone number profiles, generated thanks to feedback and reviews from our online community. Providing an online platform where users can share their experiences of these kinds of calls and flag up numbers responsible for junk calls means that information on suspicious numbers becomes readily available, helping other members of the tellows community to anticipate potential risk calls. Join the international community that is currently operating in 47 countries with more than 200,000 users on a daily basis and download the new tellows app today for your iPhone or android. And whilst you are at it, take a look at our various other useful tools available for purchase in our tellows shop.
    Here at tellows.co.uk, 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.
    We ontop feature the pinpoint location your call originated from and display it on a map, using the dialling code. Learn more about international dialling codes.
    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 in the UK or simply 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. A must read for all phone consumers.

    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. Sofia reported Vodafone with the number ‎+393444865866 as Aggressive advertising

      1/20/22 4:08 PM

      Troppo insistenti....

      1 Rating for +393444865866 (Cellulare)
    2. Chun reported number ‎01235355110 as unknown

      1/20/22 5:30 PM

      This number called us about 0900 in the morning -didn't get to phone in time. I tried calling it ba...

      2 Ratings for 01235355110 (Abingdon)
    3. Luca reported number ‎+393509754949 as Riaggancia

      1/20/22 11:10 AM

      Chiamata a vuoto e riaggancia...

      1 Rating for +393509754949 (Operatori virtuali Tim (cellulare))
    4. Fion reported unknown with the number ‎02045162708 as Cost trap

      1/20/22 7:41 AM

      Want to have your bank data! Never trust anyone that wants your account information! SCAM...

      1 Rating for 02045162708 (London)
    5. Android reported unknown with the number ‎01218230606 as Cost trap

      1/20/22 11:53 AM

      Seems to be a HMRC scam call...

      1 Rating for 01218230606 (Birmingham)
    6. Luca reported number ‎+39095415800 as Sconosciuto

      1/20/22 11:24 AM

      Non risponde nessuno...

      1 Rating for +39095415800 (Catania)
    7. iPhone reported unknown with the number ‎+393369111735 as Aggressive advertising

      1/21/22 2:12 AM

      ENI gas e luce...

      1 Rating for +393369111735 (Tim (cellulare))
    8. iPhone reported unknown with the number ‎07418359139 as Harassment calls

      1/20/22 2:45 PM

      Nuisance caller...

      1 Rating for 07418359139 (mobil phone number)
    9. Bri reported unknown with the number ‎07441429240 as Harassment calls

      1/20/22 3:09 PM

      each time they call they claim to be a different thing. scammers...

      1 Rating for 07441429240 (mobil phone number)
    10. unknown has been reported with number ‎01205362792 as Ping Call

      1/20/22 3:06 PM

      ...

      1 Rating for 01205362792 (Boston)

    Recently added comments

    1. iPhone reported unknown with the number ‎+6281357074413 as SMS spam

      1/21/22 5:45 AM via iPhone App

      1 Rating for +6281357074413 (Mobile Telkomsel (Halo, simPATI))
    2. iPhone reported unknown with the number ‎+16472509481 as Debt collection company

      1/21/22 2:48 AM via iPhone App

      1 Rating for +16472509481 (Ontario)
    3. iPhone reported unknown with the number ‎+393501170293 as SMS spam

      1/21/22 2:47 AM via iPhone App

      2 Ratings for +393501170293 (Operatori virtuali Tim (cellulare))
    4. iPhone reported unknown with the number ‎+15142614522 as SMS spam

      1/21/22 2:46 AM via iPhone App

      1 Rating for +15142614522 (St Hyacinthe)
    5. iPhone reported unknown with the number ‎+393369111735 as Aggressive advertising

      1/21/22 2:12 AM via iPhone App

      ENI gas e luce

      1 Rating for +393369111735 (Tim (cellulare))

    Where does the information on telephone numbers come from?

    tellows provides a platform where those who receive frequent spam and scam phone calls can share their knowledge on a particular caller by commenting on the phone number's profile. Profiles are generated automatically if a number is being searched for the first time. We categorise calls by type (debt collection, 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. This risk rating is generated by a complex algorithm that incorporates data such as user ratings and search statistics. Want to find out more about how the tellows score works?
    The bulk of the information on the site comes from user reviews and our database is constantly expanding and becoming more detailed thanks to information from you, our online community. By providing information on a number, you can help innumerable other people to anticipate and avoid a malicious call.

    Comments on the most frequently searched phone numbers

    1. Android reported number ‎+9794240044 as unknown

      1/16/22 7:14 PM via Android App

      503 Ratings for +9794240044 (tellows)
    2. B-M reported Carphone warehouse with the number ‎01204204035 as Telemarketer

      1/20/22 10:17 PM

      Total scam block definitely

      9 Ratings for 01204204035 (Bolton)
    3. Grandma Fish reported BT open reach!! with the number ‎02033197435 as Harassment calls

      1/19/22 10:18 AM

      After insisting my b band had been hacked, she told me I was and idiot and wasting HER time

      5 Ratings for 02033197435 (London)
    4. Bankside reported number ‎01414470650 as unknown

      1/20/22 3:33 PM

      They hung up when i answered

      3 Ratings for 01414470650 (Glasgow)
    5. Skins reported Claim Sky maintenance with the number ‎02045770351 as Telemarketer

      1/18/22 10:32 AM

      Claim to be from sky , but couldn’t confirm any of my details

      3 Ratings for 02045770351 (London)

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