Block a Number Using the Phone App
The fastest way to block a number on Samsung is through your Phone app. Open the Phone app, go to the Recents tab (the clock icon), and find the number you want to block. Long-press on it until a menu appears, then tap Block number. The number is now blocked — calls and texts from it will no longer reach you.
If you want to block a number that hasn't called you yet, you can enter it manually. Open Phone, tap the keypad icon, type the number, then long-press the number field. A menu will appear with a Block number option. This works even if you've never received a call from that contact.
Blocked numbers can still leave voicemails, but you won't see notifications for them. Their calls go straight to voicemail, and their text messages are silently rejected.
Key Takeaways
- Open your Phone app, find the number in Recents, long-press it, and select Block number to block calls and texts when ready.
- You can block a number you've never received a call from by typing it into the keypad and long-pressing the number field.
- Blocked numbers can still leave voicemails, but you won't receive notifications when they do.
- To unblock a number, go to Phone settings, find the blocked numbers list, and remove it from there.
- Some Samsung phones let you block numbers through the Contacts app as well, though the Phone app method works on all models.
Block a Number from Your Contacts
If the number is saved in your Contacts, you can block it directly from there. Open the Contacts app, find the person you want to block, and tap their name to open their contact card. Tap the three-dot menu icon at the top right, then select Block contact. The number is now blocked.
This method is useful when you want to block someone you know by name rather than hunting through your call history. It also keeps your block list organized because you're blocking the contact itself, not just a loose number.
Block a Number from a Text Message
You can block a number directly from a text conversation. Open the Messages app, find the conversation with the number you want to block, and long-press the message thread. A menu will appear — tap Block or Block number depending on your Samsung model. The number is now blocked from both calls and texts.
This is the quickest route if you're already reading a message from someone you want to block. You don't have to switch between apps or dig through your call history.
View and Manage Your Blocked Numbers
To see which numbers you've blocked, open the Phone app and tap the three-dot menu icon (or the settings icon, depending on your model). Look for Settings or Call settings, then find Blocked numbers or Block list. This screen shows every number you've blocked.
From this list, you can unblock any number by tapping it and selecting Unblock. You can also add new numbers to your block list manually by tapping the plus icon or Add number button, then typing the number you want to block.
The exact menu names vary slightly between Samsung models and Android versions, but the Phone app settings always contain your block list. If you can't find it in Phone settings, check the Messages app settings — some Samsung phones store the block list there instead.
Block Numbers Using Samsung's Do Not Disturb Mode
If you want to silence calls and texts from specific people without fully blocking them, Do Not Disturb mode offers another option. Open Settings, go to Notifications, then tap Do Not Disturb. Turn it on and set it to Allow calls and messages from, then choose Contacts or Favorites. Only people in those groups can reach you; everyone else is silenced.
This is different from blocking because the calls and texts still arrive — they just don't make noise or show notifications. The person calling won't know they're silenced. Use this when you want to ignore someone temporarily without the permanence of a block.
What Happens When You Block a Number
When you block a number on Samsung, that person cannot reach you by call or text. Their calls go directly to voicemail without your phone ringing. Text messages from them are rejected silently — they won't see a "message failed" error, but the message won't reach you either.
Blocked contacts can still leave voicemails, and those voicemails will appear in your voicemail inbox, but you won't get a notification when they arrive. They also cannot see that they're blocked — from their perspective, their calls and texts straightforward don't go through, which could mean your phone is off, you're out of service, or you're ignoring them.
If you change your mind, unblocking is just as straightforward as blocking. Go back to your block list in Phone settings and remove the number. Once unblocked, that person can call and text you normally again.
Frequently Asked Questions
Can a blocked number tell they're blocked?
No. When someone calls a blocked number, they don't hear a message saying they're blocked. Their call goes to voicemail, and from their end it looks like your phone is off or you're not answering. They have no way to know for certain that you've blocked them.
Will blocked numbers still see my status or profile picture?
That depends on your messaging app. In the default Samsung Messages app, blocked numbers cannot see your profile picture or status. However, if you use a third-party app like WhatsApp or Facebook Messenger, you'll need to block them separately in those apps — blocking their phone number in Samsung doesn't affect those services.
Can I block a number without saving it to my contacts?
Yes. You don't need to save a number as a contact to block it. You can block it directly from your call history, from a text message, or by typing it into the Phone app keypad and blocking it from there. The number stays blocked whether or not it's in your contacts.
What if I accidentally block someone I didn't mean to?
Open your Phone app, go to Settings, find Blocked numbers, and tap the number you want to unblock. Select Unblock, and that person can reach you again when ready. There's no waiting period — unblocking takes effect right away.
Do I need to restart my phone after blocking a number?
No. Blocks take effect when ready on Samsung phones. You don't need to restart your device or do anything else — as soon as you tap Block number, that contact is blocked.