diff --git a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialerActivity.kt b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialerActivity.kt
index 69c2505b..56b5e044 100644
--- a/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialerActivity.kt
+++ b/app/src/main/kotlin/com/simplemobiletools/dialer/activities/DialerActivity.kt
@@ -36,6 +36,12 @@ class DialerActivity : SimpleActivity() {
     @SuppressLint("MissingPermission")
     private fun initOutgoingCall() {
         try {
+            if (this.isNumberBlocked(callNumber.toString().replace("tel:", ""), this.getBlockedNumbers())) {
+                toast(R.string.blocked_number)
+                finish()
+                return
+            }
+
             getHandleToUse(intent, callNumber.toString()) { handle ->
                 if (handle != null) {
                     Bundle().apply {
diff --git a/app/src/main/res/values-ar/strings.xml b/app/src/main/res/values-ar/strings.xml
index d4a222b8..e7f10e49 100644
--- a/app/src/main/res/values-ar/strings.xml
+++ b/app/src/main/res/values-ar/strings.xml
@@ -22,6 +22,7 @@
     <string name="call_number">Call number</string>
     <string name="dialpad_beeps">Enable beeps on dialpad button clicks</string>
     <string name="dialpad_vibrations">Enable vibrations on dialpad button clicks</string>
+    <string name="calling_blocked_numbe">الرقم الذي تحاول الإتصال به محظور</string>
     <!-- Dialer -->
     <string name="dialer">Dialer</string>
     <string name="accept">Accept</string>
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index 96b010d3..ef687694 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -64,6 +64,7 @@
     <string name="audio_route_wired_headset">Wired Headset</string>
     <string name="audio_route_wired_or_earpiece">Wired or Earpiece</string>
     <string name="choose_audio_route">Choose audio route</string>
+    <string name="calling_blocked_numbe">The calling number is blocked</string>
 
     <!-- Speed dial -->
     <string name="speed_dial">Speed dial</string>