diff --git a/java/com/android/dialer/databasepopulator/BlockedBumberPopulator.java b/java/com/android/dialer/databasepopulator/BlockedBumberPopulator.java
new file mode 100644
index 0000000..378d487
--- /dev/null
+++ b/java/com/android/dialer/databasepopulator/BlockedBumberPopulator.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2018 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License
+ */
+
+package com.android.dialer.databasepopulator;
+
+import android.annotation.TargetApi;
+import android.content.ContentProviderOperation;
+import android.content.ContentValues;
+import android.content.Context;
+import android.content.OperationApplicationException;
+import android.os.Build.VERSION_CODES;
+import android.os.RemoteException;
+import android.provider.BlockedNumberContract;
+import android.provider.BlockedNumberContract.BlockedNumbers;
+import android.support.annotation.NonNull;
+import com.android.dialer.common.Assert;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+
+/** Populates the device database with blocked number entries. */
+public class BlockedBumberPopulator {
+
+  private static final List<ContentValues> values =
+      Arrays.asList(
+          createContentValuesWithNumber("123456789"), createContentValuesWithNumber("987654321"));
+
+  @TargetApi(VERSION_CODES.N)
+  public static void populateBlockedNumber(@NonNull Context context) {
+    ArrayList<ContentProviderOperation> operations = new ArrayList<>();
+    for (ContentValues value : values) {
+      operations.add(
+          ContentProviderOperation.newInsert(BlockedNumbers.CONTENT_URI)
+              .withValues(value)
+              .withYieldAllowed(true)
+              .build());
+    }
+    try {
+      context.getContentResolver().applyBatch(BlockedNumberContract.AUTHORITY, operations);
+    } catch (RemoteException | OperationApplicationException e) {
+      Assert.fail("error adding block number entries: " + e);
+    }
+  }
+
+  @TargetApi(VERSION_CODES.N)
+  public static void deleteBlockedNumbers(@NonNull Context context) {
+    // clean BlockedNumbers db
+    context.getContentResolver().delete(BlockedNumbers.CONTENT_URI, null, null);
+  }
+
+  private static ContentValues createContentValuesWithNumber(String number) {
+    ContentValues contentValues = new ContentValues();
+    contentValues.put(BlockedNumbers.COLUMN_ORIGINAL_NUMBER, number);
+    return contentValues;
+  }
+}
diff --git a/java/com/android/dialer/databasepopulator/CallLogPopulator.java b/java/com/android/dialer/databasepopulator/CallLogPopulator.java
index dd6dc64..eeefe70 100644
--- a/java/com/android/dialer/databasepopulator/CallLogPopulator.java
+++ b/java/com/android/dialer/databasepopulator/CallLogPopulator.java
@@ -75,13 +75,13 @@
   };
 
   @WorkerThread
-  public static void populateCallLog(@NonNull Context context) {
-    populateCallLog(context, false);
+  public static void populateCallLog(@NonNull Context context, boolean isWithoutMissedCalls) {
+    populateCallLog(context, isWithoutMissedCalls, false);
   }
 
   @WorkerThread
-  public static void populateCallLogWithoutMissed(@NonNull Context context) {
-    populateCallLog(context, true);
+  public static void populateCallLog(@NonNull Context context) {
+    populateCallLog(context, false);
   }
 
   @WorkerThread
@@ -119,8 +119,8 @@
   }
 
   @WorkerThread
-  public static void populateCallLog(@NonNull Context context, boolean isWithoutMissedCalls) {
-    populateCallLog(context, isWithoutMissedCalls, false);
+  public static void populateCallLogWithoutMissed(@NonNull Context context) {
+    populateCallLog(context, true);
   }
 
   @WorkerThread
@@ -138,6 +138,8 @@
     }
   }
 
+
+
   @AutoValue
   abstract static class CallEntry {
     @NonNull
diff --git a/java/com/android/dialer/simulator/impl/SimulatorMainMenu.java b/java/com/android/dialer/simulator/impl/SimulatorMainMenu.java
index 4501190..174aab5 100644
--- a/java/com/android/dialer/simulator/impl/SimulatorMainMenu.java
+++ b/java/com/android/dialer/simulator/impl/SimulatorMainMenu.java
@@ -25,6 +25,7 @@
 import android.view.ActionProvider;
 import com.android.dialer.common.concurrent.DialerExecutor.Worker;
 import com.android.dialer.common.concurrent.DialerExecutorComponent;
+import com.android.dialer.databasepopulator.BlockedBumberPopulator;
 import com.android.dialer.databasepopulator.CallLogPopulator;
 import com.android.dialer.databasepopulator.ContactsPopulator;
 import com.android.dialer.databasepopulator.VoicemailPopulator;
@@ -182,6 +183,7 @@
       ContactsPopulator.deleteAllContacts(context);
       CallLogPopulator.deleteAllCallLog(context);
       VoicemailPopulator.deleteAllVoicemail(context);
+      BlockedBumberPopulator.deleteBlockedNumbers(context);
       return null;
     }
   }