diff --git a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/pnp/PhoneNumberPrivacySettingsFragment.kt b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/pnp/PhoneNumberPrivacySettingsFragment.kt
index e519242972..2b8524bfa1 100644
--- a/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/pnp/PhoneNumberPrivacySettingsFragment.kt
+++ b/app/src/main/java/org/thoughtcrime/securesms/components/settings/app/privacy/pnp/PhoneNumberPrivacySettingsFragment.kt
@@ -24,6 +24,7 @@ import androidx.compose.ui.unit.dp
 import androidx.fragment.app.viewModels
 import androidx.lifecycle.lifecycleScope
 import androidx.navigation.fragment.findNavController
+import com.google.android.material.dialog.MaterialAlertDialogBuilder
 import kotlinx.coroutines.launch
 import org.signal.core.ui.Dividers
 import org.signal.core.ui.Rows
@@ -65,7 +66,7 @@ class PhoneNumberPrivacySettingsFragment : ComposeFragment() {
       onEveryoneCanFindMeByNumberClicked = viewModel::setEveryoneCanFindMeByMyNumber,
       onNobodyCanFindMeByNumberClicked = {
         if (!state.phoneNumberSharing) {
-          viewModel.setNobodyCanFindMeByMyNumber()
+          onNobodyCanFindMeByNumberClicked()
         } else {
           lifecycleScope.launch {
             snackbarHostState.showSnackbar(
@@ -77,6 +78,15 @@ class PhoneNumberPrivacySettingsFragment : ComposeFragment() {
       }
     )
   }
+
+  private fun onNobodyCanFindMeByNumberClicked() {
+    MaterialAlertDialogBuilder(requireContext())
+      .setTitle(R.string.PhoneNumberPrivacySettingsFragment__nobody_can_find_me_warning_title)
+      .setMessage(getString(R.string.PhoneNumberPrivacySettingsFragment__nobody_can_find_me_warning_message))
+      .setNegativeButton(getString(R.string.PhoneNumberPrivacySettingsFragment__cancel), null)
+      .setPositiveButton(android.R.string.ok) { _, _ -> viewModel.setNobodyCanFindMeByMyNumber() }
+      .show()
+  }
 }
 
 @Composable
diff --git a/app/src/main/res/values/strings.xml b/app/src/main/res/values/strings.xml
index aa7fe4ae07..37b5810850 100644
--- a/app/src/main/res/values/strings.xml
+++ b/app/src/main/res/values/strings.xml
@@ -3899,6 +3899,12 @@
     <string name="PhoneNumberPrivacySettingsFragment_discovery_off_description">Nobody will be able to see you\'re on Signal unless you message them or have an existing chat with them.</string>
     <!-- Snackbar text when pressing invalid radio item -->
     <string name="PhoneNumberPrivacySettingsFragment__to_change_this_setting">To change this setting, set "Who can see my number" to "Nobody".</string>
+    <!-- Dialog title shown when selecting "Nobody" in phone number privacy settings for who can find me by number -->
+    <string name="PhoneNumberPrivacySettingsFragment__nobody_can_find_me_warning_title">Are you sure?</string>
+    <!-- Dialog warning message shown when selecting "Nobody" in phone number privacy settings for who can find me by number -->
+    <string name="PhoneNumberPrivacySettingsFragment__nobody_can_find_me_warning_message">Setting \"Who can find me by number\" to \"Nobody\" will make it harder for people to find you on Signal.</string>
+    <!-- Dialog button text for canceling change action -->
+    <string name="PhoneNumberPrivacySettingsFragment__cancel">Cancel</string>
     <string name="PhoneNumberPrivacy_everyone">Everyone</string>
     <string name="PhoneNumberPrivacy_nobody">Nobody</string>
     <string name="preferences_app_protection__screen_lock">Screen lock</string>