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 - find out who called with the phone number reverse search & caller protection



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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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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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Unique studies based on extensive data, research and expert knowledge.

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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. Lesley W reported unknown with the number ‎01418160955 as Harassment calls

      5/28/24, 3:32 PM

      The number 0141 816 0955 keeps calling here re@ gas/elec prices. I told whoever it was last week thi...

      1 Rating for 01418160955 (Glasgow)
    2. unknown has been reported with number ‎07458159870 as Survey

      5/28/24, 12:17 PM

      Called me when I am not event located in thier countryn nor do I do or have ever had any busniess wi...

      1 Rating for 07458159870 (Gamma Telecom)
    3. Gerry reported unknown with the number ‎07541719744 as Cost trap

      5/28/24, 8:37 PM

      Usual 'Microsoft calling about your computer' scam. If you believe them they'll download malware an...

      1 Rating for 07541719744 (O2)
    4. unknown has been reported with number ‎+447342987204 as Harassment calls

      5/29/24, 10:06 AM

      Idiot pretending to be from Binance...

      1 Rating for +447342987204 (Vodafone)
    5. KathyC reported ?? with the number ‎07441926384 as Telemarketer

      5/29/24, 10:38 AM

      started by asking about my covid vaccines, then about satisfaction with my gp which apparently led o...

      1 Rating for 07441926384 (Voxbone)
    6. unknown has been reported with number ‎+390444320517 as Aggressive advertising

      5/29/24, 10:36 AM

      ...

      1 Rating for +390444320517 (Vicenza)
    7. iPhone reported unknown with the number ‎07422735172 as Ping Call

      5/29/24, 11:52 AM

      ...

      1 Rating for 07422735172 (Orange)
    8. unknown has been reported with number ‎0161884 as Aggressive advertising

      5/28/24, 5:57 PM

      ...

      1 Rating for 0161884 (Manchester)
    9. The number ‎01223751806 has been assigned to unknown

      5/29/24, 8:41 AM

      When I answered call there was a lot a loud background noise. Caller then ended call...

      1 Rating for 01223751806 (Cambridge)
    10. The number ‎+447427321906 has been assigned to unknown

      5/28/24, 6:22 PM

      spam truffa...

      1 Rating for +447427321906 (Three)

    Recently added comments

    1. iPhone reported unknown with the number ‎07422735172 as Ping Call

      5/29/24, 11:52 AM via iPhone App

      1 Rating for 07422735172 (Orange)
    2. Helen reported unknown with the number ‎+31852084014 as Harassment calls

      5/29/24, 11:18 AM

      Called pretending to offer services with debts. Became aggressive when I wouldn't explain who I bank with. Hung up when I quesitoned who they were.

      3 Ratings for +31852084014 (Elektronische communicatie algemeen)
    3. KathyC reported ?? with the number ‎07441926384 as Telemarketer

      5/29/24, 10:38 AM via Android App

      started by asking about my covid vaccines, then about satisfaction with my gp which apparently led on to life insurance queries!

      1 Rating for 07441926384 (Voxbone)
    4. unknown has been reported with number ‎+390444320517 as Aggressive advertising

      5/29/24, 10:36 AM via Android App

      1 Rating for +390444320517 (Vicenza)
    5. Jjjj reported number ‎01212853695 as 118 group?

      5/29/24, 10:34 AM

      A lady calling from 118 group to update our company info, I've told her that we are busy and hung up.
      Why are these numbers not blocked yet?

      19 Ratings for 01212853695 (Birmingham)

    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. The number ‎07701407167 has been assigned to unknown

      5/22/24, 12:25 PM

      I didn't answer the call/missed pick up

      14 Ratings for 07701407167 (O2)
    2. Jon reported easyjet holidays with the number ‎02033768720 as Trustworthy number

      5/21/24, 8:19 PM

      7 Ratings for 02033768720 (London)
    3. NHS Service NPT Hospital has been reported with number ‎01639507250 as Trustworthy number

      5/14/24, 2:18 PM

      5 Ratings for 01639507250 (Neath)
    4. Rudy Walton reported Insulation sales scam with the number ‎01254470938 as Harassment calls

      5/8/24, 12:14 PM

      Does anyone recognise this number? They calming to be loft insulation experts, but after telling how I need to replace loft insulation, or I could face heavy fines. They wanted me to pay upfront, and I thought this is not legit.

      3 Ratings for 01254470938 (Blackburn)
    5. Denis covid reported Denis pasien with the number ‎+6287750041640 as Survey

      5/26/24, 12:17 AM via Android App

      pasien covid perumahan mokadsari jl sabang a3 no 5b bekasi timur

      4 Ratings for +6287750041640 (Mobile XL Axiata)

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