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How to block calls on your Android phone

There are plenty of times where you want to block calls from certain numbers. It could be an insurance company trying to make you claim compensation for an accident you never had, or a possessive ex-girlfriend or boyfriend. Whatever your reasons, we can show you how to block calls on your Android phone, whether it's an HTC, LG, Samsung, Sony or stock Android device.

Samsung (Galaxy S4, S5, S6, Note 4)

To block all calls from an individual on your Samsung Lollipop device:

  1. Tap the Phone app, Call Log, then the number you want to block.
  2. Next, tap More at the top right, then Add to auto reject list.
  3. That's it! To reverse this, just go through the same process again but tap Remove from auto reject list at the end.
AndroidPIT Galaxy S6 Lollipop TouchWiz dialer call log reject 2
Want to block a number on your Galaxy S6? Just add them to your auto-reject list. / © ANDROIDPIT

But there's more. You can also manage your auto-reject list and even block unknown numbers:

  1. In the Phone app, tap More at the top right, then Settings.
  2. Next, tap Call rejection > Auto reject list and you can see all the numbers you auto-reject.
  3. Here you can manually remove and add numbers to the list, or block all unknown numbers by toggling the switch next to Unknown.
AndroidPIT Galaxy S6 Lollipop TouchWiz call rejection unknown numbers
Manage your block numbers on your Galaxy phone using the Auto reject list. / © ANDROIDPIT

Stock Android (Nexus 5, Nexus 6, Moto X, Moto G)

Oddly, neither stock Android Lollipop nor Marshmallow has an integrated call-blocking feature. Instead, whether or not you have call blocking will depend on your carrier. To check if you have it, open the Phone app, tap the number you want to block, then tap Details, and then the Menu button at the top right. If your carrier's included phone blocking, it will appear here as Add to blacklist or Reject call.

There is a workaround for Lollipop or Marshmallow users though, albeit not an ideal one (this process is essentially the same for KitKat too).

  1. First, save the number you want to block as a contact.
  2. Next, go to your Phone app, tap Contacts, then tap their name.
  3. Tap the pencil icon next to the menu icon, then on the next screen tap the menu icon at the top right and All calls to voicemail.
androidpit block calls lollipop 3
If your stock Android handset doesn't have call-blocker, you can divert unwanted calls to voicemail. / © ANDROIDPIT

Alternatively, you could install an app that lets you block calls and manage them. Calls Blacklist is a call-blocker with a good reputation, and will do the job stock Marshmallow can't.

Calls Blacklist - Call Blocker Install on Google Play

HTC (One M7, One M8, One M9)

Like Samsung, HTC has made it super-easy to block calls, and easily manage your blocked numbers. To block calls from a specific number on your HTC phone:

  1. Go to your Phone app, then go to Call History or tap the search icon to find the number you want to block.
  2. Long-tap the number you want to block, then tap Block caller.
  3. To manage your blocked contacts, tap the menu icon at the top right of your Phone app, then Blocked contacts. Here you can add or remove blocked contacts, and even see when your phone blocked messages and calls from this contact.
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The HTC One M9 makes it easy to block calls to your device. / © ANDROIDPIT

Sony (Xperia Z2, Xperia Z3, Xperia Z3 Compact)

The Xperia Z series doesn't feature in-built call blocking, so you'll have to use the Lollipop solution to block numbers; either download Calls Blacklist or send unwanted numbers straight to voicemail. To do this:

  1. Tap All apps > Contacts then the name of the contact you want to block (if the number you want to block isn't already a contact, you'll have to make it one).
  2. Once you've tapped the name of the contact, tap the Edit icon, then Menu, then All calls to voicemail
AndroidPIT Xperia Z3 contact all calls to voicemail x
You can't block calls as such on your Xperia, but you can send them straight to voicemail. / © ANDROIDPIT

LG (G2, G3, G4)

LG phones have some nifty tools for blocking numbers – a little too nifty perhaps. If your LG is running on Lollipop and you receive a call from a number you want to block, rather than sliding your finger from the center towards the red phone icon, drag the red phone icon into the center instead. This will add the caller to your 'Call reject list'. To manage this list:

  1. Go to Settings > Wireless and networks > Call.
  2. Next, tap Call reject > Reject calls from to see your list of blocked numbers. You can add numbers to this list by tapping the '+' icon at the top right, or remove them from this list. You can also reject all calls from unknown ('private') numbers here.
AndroidPIT LG G4 Lollipop call reject options
The LG G4 lets you block numbers as they are calling you. / © ANDROIDPIT

How do you block phone numbers? Let us know in the comments below. 



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  • Lasantha 4 months ago Link to comment

    Overall complete guide to block calls for specific mobile phone brands and very helpful topic. Thank you.

  • Hi…I own a Moto G (3rd Gen) , currently if anyone is calling after one ring it says that the number you are calling is busy and I get no notification as missed call or something. Also the drop down menu for notification which shows settings, update on various apps is also not reflecting. Could you please help??

  • thanks a lot , i blocked successfully . By doing this can we block messages too that blocked number or not ?

  • Call to vicemail feature works but on kitkat it always show notification when someone blocked (like missed call). But now on lollipop there is no notification when someone is blocked O.O is this something new on lollipop or is there something wrong??? Also why is it call to "voicemail" when for the blocked contacts it ring once and than it say that number is not answering (no redirection to voicemail)? Voicemail work normaly when phone is turned off.

  • David J Jan 22, 2016 Link to comment

    How do u send a particular caller directly to voicemail but still get their texts? Htc1

  • I don't have the option on my LG G4 to block calls and texts!! Someone please HELP!!

  • Top apps can’t be developed newcomers. They may code it but can’t build enterprise ready app. You must find a company with more than 5 years of experience in developing the business apps. In India, top android app development companies are delivering next in class apps to global clients.

  • Razorfoot Nov 30, 2015 Link to comment

    Thanks, now i will make a zBlock contact and dump every spam number that keeps flooding me with lost calls.

  • Blocking calls is also important if there are unwanted calls and people you want to get rid of. Thank you for sharing that information.

  • How do you block with a Samsung S5 running Kitkat?

  • I miss being able to reject a call and on their end it kept ringing then to vmail so they don't know you just rejected them.

  • The article's instructions are incorrect for the LG G4.

  • May Nov 23, 2015 Link to comment

    How can I block unknown/private numbers and texts on Sky phone (android). I don't show any option.

  • May Nov 23, 2015 Link to comment

    How can I block unknown/private numbers and texts on Sky phone (android). I don't show any option.

  • Very Awesome and helpful topic which I am looking for a while... thanks for the writings...

  • ... or just get CynaogenMod or any other custom rom (especially based on CM), which has this feature built-in, supports wildcards in numbers, allows rejecting private/restriced callers etc.

  • Tyler Jun 11, 2015 Link to comment

    I wish you would also come out with an article on how best to block texts from certain numbers. I've found this an even harder task to accomplish. on my Note 4 doing what you said doesn't block texts (not saying you said it did, just mentioning it). the only way I found to block texts was to download an app and make that app my default texting app which isn't great since the apps marketed for this purpose do block texts but are not apps I would want to live with as my default. any advice would be great.

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