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Numbo Blacklist & Call Detector is a reverse phone lookup tool that helps you identify & block:
- spam calls
- scam calls
- telemarketing callers
- robocalls
- unknown numbers

Protect your time & blacklist all unwanted numbers!

- The largest spam numbers database
- Reverse phone lookup
- Caller id
- Call blocker
- Blacklist
- SMS filter
- Dual SIM support

Our numbers database has over 42,000,000 unique phone numbers. Members of the community are adding new spam callers every day to help others protect their time.

Search for any number before you call back. See if it is a spam, scam, telemarketing, suspicious, or a trustworthy call.

Numbo Call Blocker identifies all incoming calls for you. You will know instantly if you should answer. You can also choose to automatically block all spam calls in our database.

Identify & block all unwanted calls. Modify your settings to block the type of callers you want. You will never hear from those annoying telemarketers again.

Add numbers to your own blacklist. Choose if you want to identify them or block the call directly. You can also transfer your blacklist from one phone to another with a Numbo account.

Add keywords to your SMS filter and protect your phone from unwanted text messages.

Do you travel a lot? Do you have 2 SIM cards in your phone? No worries. Numbo automatically works for both SIM cards and will identify all incoming calls.


You can try our call blocker for free and see if it suits you. The premium account gives you:
- access to the personalized blacklist
- automatic update of the database

Block spam calls with Numbo Blacklist & Call Detector!
The best reverse phone lookup tool.

Privacy Policy: https://www.numbo.com/privacy-policy/
Terms of Use: https://www.numbo.com/terms-of-service/

What’s New

Version 4.7.11

A new update is here!

We fixed several bugs related to funcionality, so now everything works smoother than ever. Now you can identify even more company numbers. Currently there are almost 52M numbers in total. More numbers are coming from Italy, Germany and USA.

Ratings and Reviews

4.5 out of 5
731 Ratings

731 Ratings

DanielNewman258 ,

Awesome app

This is an excellent app it gets every unwanted call I receive. Does what it should. So, thank you! You wouldn't believe that I have about 50+ unsolicited numbers already on my list for “Blacklist”! Y'all are literally saving me from jumping thru my phone to strangle these annoying morons who call and bother me!!!!
I was looking for a solution of blocking some callers and this was recommended for my situation. I was being harassed by my ex, and he kept calling from a restricted number and different burner numbers.
The local law enforcement refuse to do anything about it. But with NUMBO I was finally able to block private and restricted calls along with unsaved numbers. THANK YOU to the developers of this app. This app gave me so much more peace of mind.
Than I realized other great features. Because it is very easy to manage and use all aspects of Numbo. This app really fulfilled all expectations by 100%. App can get rid of all surprise and spam callers for you. That sounds good, right? Never again will you have to wonder, or be worried about who's on the other end of the line. Numbo Call Blocker will take care of all your unwanted and unknown calls and messages. Now I can simply enjoy your life without distractions or stressful situations.
There was No-one bad issue. And this app is very light. Doesn't consume much power and never caused any kind of conflict with other apps.
Again, app is great, works great and I have zero complaints! 😁

LucySmithKA ,


So many blocking apps out there. I tried them all but this one definitely works best. Numbo can effectively control your incoming calls and you don't have to spend time with meaningless conversation on your phone anymore.
I know it is not easy to pick up calls from you wife, your boss, your mother in law and ect. But what about some stranger who just earns money by harassing you and bothering you with sales or surveys. Nobody needs that. Noone have time for that.
I just hate those annoying calls. I was getting all kinds of calls all day long, and even in the middle of the night, 10 to 30 spam and telemarketing calls a day. I had to mute my phone and I was afraid to
pick up unknown numbers. Numbo has really help control those annoying calls.
It is the most accurate & easy-to-use caller id and blocker app. It can simply help you instantly identify the incoming calls that are not in your contact list.
It can help you identify spam calls, see who is calling, block number, stop spam & telemarketers from calling your number. Simple and smart. It is powered by a database. The app is really easy to use, Numbo has that simple solutions and it doesn’t bother me at all, either. On the other hand spam calls, telemarketers, financial services and surveys have to hate this app. It is well worth and it definitely works. No more spam calls with Numbo. Really love this app!! :-)

Castsajen ,

It’s been fantastic since the last update

Well I promised I would come back and write a new review after this was all worked out and it has been. It had some kinks for a while, but customer service was pretty awesome about letting me know that they were updating and what was going on and what to expect. I very rarely ever get a spam call. And I feel like the money is very much worth it. For those of you who have a problem paying for a service because you think you should get it for “ free” try to remember these developers work really hard to create Internet safety for us and nobody goes to work and does a good job when they’re not getting paid. :) and the last couple months I’ve been thrilled with what I’m paying for.

Developer Response ,

Thank you for your support 👍.
We always try to fight the spammers back.

You can always reach us 24/7 at support@numbo.com.


1 Year of Numbo Call Blocker
Most Popular Call Protection and Blacklist
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App Privacy

The developer, Numbo s.r.o., indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Not Collected

The developer does not collect any data from this app.

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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