diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/adapters/RecentCallsAdapter.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/adapters/RecentCallsAdapter.kt
index 5a871563..a6479f67 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/adapters/RecentCallsAdapter.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/adapters/RecentCallsAdapter.kt
@@ -10,6 +10,7 @@ import com.simplemobiletools.commons.views.FastScroller
 import com.simplemobiletools.commons.views.MyRecyclerView
 import com.simplemobiletools.contacts.pro.R
 import com.simplemobiletools.contacts.pro.activities.SimpleActivity
+import com.simplemobiletools.contacts.pro.extensions.addBlockedNumber
 import com.simplemobiletools.contacts.pro.extensions.config
 import com.simplemobiletools.contacts.pro.helpers.ContactsHelper
 import com.simplemobiletools.contacts.pro.helpers.RECENTS_TAB_MASK
@@ -28,7 +29,11 @@ class RecentCallsAdapter(activity: SimpleActivity, var recentCalls: ArrayList<Re
 
     override fun getActionMenuId() = R.menu.cab_recent_calls
 
-    override fun prepareActionMode(menu: Menu) {}
+    override fun prepareActionMode(menu: Menu) {
+        menu.apply {
+            findItem(R.id.cab_block_number).title = activity.getString(if (isOneItemSelected()) R.string.block_number else R.string.block_numbers)
+        }
+    }
 
     override fun actionItemPressed(id: Int) {
         if (selectedKeys.isEmpty()) {
@@ -38,6 +43,7 @@ class RecentCallsAdapter(activity: SimpleActivity, var recentCalls: ArrayList<Re
         when (id) {
             R.id.cab_select_all -> selectAll()
             R.id.cab_delete -> askConfirmDelete()
+            R.id.cab_block_number -> blockNumber()
         }
     }
 
@@ -92,6 +98,18 @@ class RecentCallsAdapter(activity: SimpleActivity, var recentCalls: ArrayList<Re
         }
     }
 
+    private fun blockNumber() {
+        Thread {
+            getSelectedItems().forEach {
+                activity.addBlockedNumber(it.number)
+            }
+            refreshListener?.refreshContacts(RECENTS_TAB_MASK)
+            activity.runOnUiThread {
+                finishActMode()
+            }
+        }.start()
+    }
+
     private fun getSelectedItems() = recentCalls.filter { selectedKeys.contains(it.id) } as ArrayList<RecentCall>
 
     private fun setupView(view: View, recentCall: RecentCall) {
diff --git a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/extensions/Context.kt b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/extensions/Context.kt
index 0926d25d..6f590ccc 100644
--- a/app/src/main/kotlin/com/simplemobiletools/contacts/pro/extensions/Context.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/contacts/pro/extensions/Context.kt
@@ -1,9 +1,11 @@
 package com.simplemobiletools.contacts.pro.extensions
 
+import android.content.ContentValues
 import android.content.Context
 import android.content.Intent
 import android.database.Cursor
 import android.net.Uri
+import android.provider.BlockedNumberContract.BlockedNumbers
 import android.provider.ContactsContract
 import android.telecom.TelecomManager
 import androidx.core.content.FileProvider
@@ -25,6 +27,7 @@ import com.simplemobiletools.contacts.pro.models.ContactSource
 import com.simplemobiletools.contacts.pro.models.Organization
 import java.io.File
 
+
 val Context.config: Config get() = Config.newInstance(applicationContext)
 
 val Context.contactsDB: ContactsDao get() = ContactsDatabase.getInstance(applicationContext).ContactsDao()
@@ -283,3 +286,10 @@ fun Context.getVisibleContactSources(): ArrayList<String> {
     sourceNames.removeAll(config.ignoredContactSources)
     return sourceNames
 }
+
+fun Context.addBlockedNumber(number: String) {
+    ContentValues().apply {
+        put(BlockedNumbers.COLUMN_ORIGINAL_NUMBER, number)
+        contentResolver.insert(BlockedNumbers.CONTENT_URI, this)
+    }
+}
diff --git a/app/src/main/res/drawable-hdpi/ic_block.png b/app/src/main/res/drawable-hdpi/ic_block.png
new file mode 100644
index 00000000..1c541fe5
Binary files /dev/null and b/app/src/main/res/drawable-hdpi/ic_block.png differ
diff --git a/app/src/main/res/drawable-xhdpi/ic_block.png b/app/src/main/res/drawable-xhdpi/ic_block.png
new file mode 100644
index 00000000..ae3856fe
Binary files /dev/null and b/app/src/main/res/drawable-xhdpi/ic_block.png differ
diff --git a/app/src/main/res/drawable-xxhdpi/ic_block.png b/app/src/main/res/drawable-xxhdpi/ic_block.png
new file mode 100644
index 00000000..d6dc2222
Binary files /dev/null and b/app/src/main/res/drawable-xxhdpi/ic_block.png differ
diff --git a/app/src/main/res/drawable-xxxhdpi/ic_block.png b/app/src/main/res/drawable-xxxhdpi/ic_block.png
new file mode 100644
index 00000000..9f1191c9
Binary files /dev/null and b/app/src/main/res/drawable-xxxhdpi/ic_block.png differ
diff --git a/app/src/main/res/menu/cab_recent_calls.xml b/app/src/main/res/menu/cab_recent_calls.xml
index 128e6362..f5e7c4ba 100644
--- a/app/src/main/res/menu/cab_recent_calls.xml
+++ b/app/src/main/res/menu/cab_recent_calls.xml
@@ -11,4 +11,9 @@
         android:icon="@drawable/ic_select_all"
         android:title="@string/select_all"
         app:showAsAction="ifRoom"/>
+    <item
+        android:id="@+id/cab_block_number"
+        android:icon="@drawable/ic_block"
+        android:title="@string/block_number"
+        app:showAsAction="ifRoom"/>
 </menu>