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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 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, 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.

    Recently added comments

    1. The number +34856926077 has been assigned to neznámé

      Hovor jakési finanční společnosti ze Španělska. Jde o stínové bankovnictví. Podvod! Nezvedat hovory ani SMS! Kredit i informace pak budou fuč! Sdílejte!

      +34856926077 (Cádiz) - View details and comments - 1
    2. Podvodný hovor z Londýna NEBRAT!!! has been reported with number +442080894213 as Cost trap

      ČÍSLO VOLÁ PRAVIDELNĚ CCA OD 7:30 DO 13:00 13x denně. Jde o podvod. Po přijetí vám strhnou kredit v neznámé výši. Nezvedejte toto číslo a SMS ihned odstraňte,aniž by jste ji otevřeli pro přečtení. Prosím sdílejte.

      +442080894213 (London) - View details and comments - 1
    3. Chippy reported Appliances Online with the number 02038897568 as Telemarketer

      AO tried to sell warranty on washing machine, wanted bank details, hung up

      02038897568 (London) - View details and comments - 5
    4. RGradeless reported Gold Standard Review with the number 03308081247 as Telemarketer

      Caller said he was from Gold Standard Reviews in Carmarthen. He wanted to review a life insurance I had. He called me by a bogus name I had given to a cold caller some time ago. They had called me earlier today from a different number. The address is 13 Queen Street Carmarthen. He terminated the call when I said I was TPS registered. I will be reporting them to TPS for making an unsolicited call.

      03308081247 (premium rate service: local rate) - View details and comments - 1

    Where does the information on telephone numbers come from?

    tellows provides a platform where those who receive frequent spam and scam phonecalls 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 01251120022 has been rated with the score 9

      hung up when answered

      01251120022 () - View details and comments - 15
    2. The number 02031501682 has been assigned to Southwark Taxi

      Several calls last days to me and my wife. We didn't answer.

      02031501682 (London) - View details and comments - 9
    3. The number 01273761471 has been rated with the score 9

      Brighton no. 01273 761045 also rang me on my business landline no. 2 hours after ignoring this Brighton no. who called me on my mobile. I asked who was calling and they promptly hung up! These irritants are BANG out of order... all no's from Brighton are now BARRED!

      01273761471 (Brighton) - View details and comments - 6
    4. Dave H reported BT with the number 02083556322 as Harassment calls

      Long pause when I answered then 'Mike' said he was calling from BT Security. When I said, okay, why's that then?' he hung up.

      02083556322 (London) - View details and comments - 10


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