diff --git a/src/com/android/dialer/CallDetailActivity.java b/src/com/android/dialer/CallDetailActivity.java
index 1f9e476..88d3fe2 100644
--- a/src/com/android/dialer/CallDetailActivity.java
+++ b/src/com/android/dialer/CallDetailActivity.java
@@ -57,6 +57,8 @@
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler.OnCheckBlockedListener;
 import com.android.dialer.filterednumber.BlockNumberDialogFragment;
 import com.android.dialer.filterednumber.FilteredNumbersUtil;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 import com.android.dialer.util.DialerUtils;
 import com.android.dialer.util.IntentUtil.CallIntentBuilder;
 import com.android.dialer.util.PhoneNumberUtil;
@@ -380,7 +382,14 @@
     }
 
     @Override
-    public void onChangeFilteredNumberSuccess() {
+    public void onFilterNumberSuccess() {
+        Logger.logInteraction(InteractionEvent.BLOCK_NUMBER_CALL_DETAIL);
+        updateFilteredNumberChanges();
+    }
+
+    @Override
+    public void onUnfilterNumberSuccess() {
+        Logger.logInteraction(InteractionEvent.UNBLOCK_NUMBER_CALL_DETAIL);
         updateFilteredNumberChanges();
     }
 
diff --git a/src/com/android/dialer/calllog/CallLogAdapter.java b/src/com/android/dialer/calllog/CallLogAdapter.java
index 42b2f23..55e2fa0 100644
--- a/src/com/android/dialer/calllog/CallLogAdapter.java
+++ b/src/com/android/dialer/calllog/CallLogAdapter.java
@@ -48,6 +48,9 @@
 import com.android.dialer.contactinfo.ContactInfoCache;
 import com.android.dialer.contactinfo.ContactInfoCache.OnContactInfoChangedListener;
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler;
+import com.android.dialer.filterednumber.BlockNumberDialogFragment.Callback;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 import com.android.dialer.util.PhoneNumberUtil;
 import com.android.dialer.voicemail.VoicemailPlaybackPresenter;
 
@@ -361,7 +364,22 @@
                 mCallLogListItemHelper,
                 mVoicemailPlaybackPresenter,
                 mFilteredNumberAsyncQueryHandler,
-                null);
+                new Callback() {
+                    @Override
+                    public void onFilterNumberSuccess() {
+                        Logger.logInteraction(
+                                InteractionEvent.BLOCK_NUMBER_CALL_LOG);
+                    }
+
+                    @Override
+                    public void onUnfilterNumberSuccess() {
+                        Logger.logInteraction(
+                                InteractionEvent.UNBLOCK_NUMBER_CALL_LOG);
+                    }
+
+                    @Override
+                    public void onChangeFilteredNumberUndo() {}
+                });
 
         viewHolder.callLogEntryView.setTag(viewHolder);
         viewHolder.callLogEntryView.setAccessibilityDelegate(mAccessibilityDelegate);
diff --git a/src/com/android/dialer/filterednumber/BlockNumberDialogFragment.java b/src/com/android/dialer/filterednumber/BlockNumberDialogFragment.java
index 21746ee..0f4bd74 100644
--- a/src/com/android/dialer/filterednumber/BlockNumberDialogFragment.java
+++ b/src/com/android/dialer/filterednumber/BlockNumberDialogFragment.java
@@ -36,6 +36,8 @@
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler.OnBlockNumberListener;
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler.OnUnblockNumberListener;
 import com.android.dialer.voicemail.VisualVoicemailEnabledChecker;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 
 /**
  * Fragment for confirming and enacting blocking/unblocking a number. Also invokes snackbar
@@ -51,8 +53,20 @@
      * upon rotation instead.
      */
     public interface Callback {
-        public void onChangeFilteredNumberSuccess();
-        public void onChangeFilteredNumberUndo();
+        /**
+         * Called when a number is successfully added to the set of filtered numbers
+         */
+        void onFilterNumberSuccess();
+
+        /**
+         * Called when a number is successfully removed from the set of filtered numbers
+         */
+        void onUnfilterNumberSuccess();
+
+        /**
+         * Called when the action of filtering or unfiltering a number is undone
+         */
+        void onChangeFilteredNumberUndo();
     }
 
     private static final String BLOCK_DIALOG_FRAGMENT = "BlockNumberDialog";
@@ -230,6 +244,7 @@
                     @Override
                     public void onClick(View view) {
                         // Delete the newly created row on 'undo'.
+                        Logger.logInteraction(InteractionEvent.UNDO_BLOCK_NUMBER);
                         mHandler.unblock(onUndoListener, uri);
                     }
                 };
@@ -240,7 +255,7 @@
                         .show();
 
                 if (callback != null) {
-                    callback.onChangeFilteredNumberSuccess();
+                    callback.onFilterNumberSuccess();
                 }
 
                 if (context != null && FilteredNumbersUtil.hasRecentEmergencyCall(context)) {
@@ -278,6 +293,7 @@
                     @Override
                     public void onClick(View view) {
                         // Re-insert the row on 'undo', with a new ID.
+                        Logger.logInteraction(InteractionEvent.UNDO_UNBLOCK_NUMBER);
                         mHandler.blockNumber(onUndoListener, values);
                     }
                 };
@@ -288,7 +304,7 @@
                         .show();
 
                 if (callback != null) {
-                    callback.onChangeFilteredNumberSuccess();
+                    callback.onUnfilterNumberSuccess();
                 }
             }
         }, getArguments().getInt(ARG_BLOCK_ID));
diff --git a/src/com/android/dialer/filterednumber/BlockedNumbersAdapter.java b/src/com/android/dialer/filterednumber/BlockedNumbersAdapter.java
index a23e46d..e33b0f8 100644
--- a/src/com/android/dialer/filterednumber/BlockedNumbersAdapter.java
+++ b/src/com/android/dialer/filterednumber/BlockedNumbersAdapter.java
@@ -26,6 +26,8 @@
 import com.android.dialer.R;
 import com.android.dialer.calllog.ContactInfoHelper;
 import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 
 public class BlockedNumbersAdapter extends NumbersAdapter {
 
@@ -67,7 +69,19 @@
                         PhoneNumberUtils.formatNumber(number, countryIso),
                         R.id.blocked_number_fragment,
                         getFragmentManager(),
-                        null /* callback */);
+                        new BlockNumberDialogFragment.Callback() {
+                            @Override
+                            public void onFilterNumberSuccess() {}
+
+                            @Override
+                            public void onUnfilterNumberSuccess() {
+                                Logger.logInteraction(
+                                        InteractionEvent.UNBLOCK_NUMBER_MANAGEMENT_SCREEN);
+                            }
+
+                            @Override
+                            public void onChangeFilteredNumberUndo() {}
+                        });
             }
         });
 
diff --git a/src/com/android/dialer/filterednumber/FilteredNumbersUtil.java b/src/com/android/dialer/filterednumber/FilteredNumbersUtil.java
index 76d3913..23ce8a8 100644
--- a/src/com/android/dialer/filterednumber/FilteredNumbersUtil.java
+++ b/src/com/android/dialer/filterednumber/FilteredNumbersUtil.java
@@ -26,11 +26,9 @@
 import android.preference.PreferenceManager;
 import android.provider.ContactsContract.CommonDataKinds.Phone;
 import android.provider.ContactsContract.Contacts;
-import android.provider.ContactsContract.Data;
 import android.provider.Settings;
 import android.telephony.PhoneNumberUtils;
 import android.text.TextUtils;
-import android.util.Log;
 import android.widget.Toast;
 
 import java.util.LinkedList;
@@ -43,6 +41,8 @@
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler.OnHasBlockedNumbersListener;
 import com.android.dialer.database.FilteredNumberContract.FilteredNumber;
 import com.android.dialer.database.FilteredNumberContract.FilteredNumberColumns;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 
 /**
  * Utility to help with tasks related to filtered numbers.
@@ -164,10 +164,11 @@
      */
     public static void importSendToVoicemailContacts(
             final Context context, final ImportSendToVoicemailContactsListener listener) {
+        Logger.logInteraction(InteractionEvent.IMPORT_SEND_TO_VOICEMAIL);
         final FilteredNumberAsyncQueryHandler mFilteredNumberAsyncQueryHandler =
                 new FilteredNumberAsyncQueryHandler(context.getContentResolver());
 
-        final AsyncTask task = new AsyncTask<Object, Void, Boolean>() {
+        final AsyncTask<Object, Void, Boolean> task = new AsyncTask<Object, Void, Boolean>() {
             @Override
             public Boolean doInBackground(Object[] params) {
                 if (context == null) {
diff --git a/src/com/android/dialer/list/BlockedListSearchFragment.java b/src/com/android/dialer/list/BlockedListSearchFragment.java
index 3068478..da6b428 100644
--- a/src/com/android/dialer/list/BlockedListSearchFragment.java
+++ b/src/com/android/dialer/list/BlockedListSearchFragment.java
@@ -37,6 +37,8 @@
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler;
 import com.android.dialer.database.FilteredNumberAsyncQueryHandler.OnCheckBlockedListener;
 import com.android.dialer.filterednumber.BlockNumberDialogFragment;
+import com.android.dialer.logging.InteractionEvent;
+import com.android.dialer.logging.Logger;
 import com.android.dialer.widget.SearchEditTextLayout;
 
 public class BlockedListSearchFragment extends RegularSearchFragment
@@ -198,7 +200,18 @@
     }
 
     @Override
-    public void onChangeFilteredNumberSuccess() {
+    public void onFilterNumberSuccess() {
+        Logger.logInteraction(InteractionEvent.BLOCK_NUMBER_MANAGEMENT_SCREEN);
+        goBack();
+    }
+
+    @Override
+    public void onUnfilterNumberSuccess() {
+        Log.wtf(TAG, "Unblocked a number from the BlockedListSearchFragment");
+        goBack();
+    }
+
+    private void goBack() {
         Activity activity = getActivity();
         if (activity == null) {
             return;
diff --git a/src/com/android/dialer/logging/InteractionEvent.java b/src/com/android/dialer/logging/InteractionEvent.java
new file mode 100644
index 0000000..88518b4
--- /dev/null
+++ b/src/com/android/dialer/logging/InteractionEvent.java
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2015 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.logging;
+
+/**
+ * Class holding constants for Dialer interactions
+ */
+public class InteractionEvent {
+
+    public static final int UNKNOWN = 0;
+
+    /**
+     * An incoming call was blocked
+     */
+    public static final int CALL_BLOCKED = 15;
+
+    /**
+     * The user blocked a number from the Call Log screen
+     */
+    public static final int BLOCK_NUMBER_CALL_LOG = 16;
+
+    /**
+     * The user blocked a number from the Call details screen
+     */
+    public static final int BLOCK_NUMBER_CALL_DETAIL = 17;
+
+    /**
+     * The user blocked a number from the Management screen
+     */
+    public static final int BLOCK_NUMBER_MANAGEMENT_SCREEN = 18;
+
+    /**
+     * The user unblocked a number from the Call Log screen
+     */
+    public static final int UNBLOCK_NUMBER_CALL_LOG = 19;
+
+    /**
+     * The user unblocked a number from the Call details screen
+     */
+    public static final int UNBLOCK_NUMBER_CALL_DETAIL = 20;
+
+    /**
+     * The user unblocked a number from the Management screen
+     */
+    public static final int UNBLOCK_NUMBER_MANAGEMENT_SCREEN = 21;
+
+    /**
+     * The user blocked numbers from contacts marked as send to voicemail
+     */
+    public static final int IMPORT_SEND_TO_VOICEMAIL = 22;
+
+    /**
+     * The user blocked a number then undid the block
+     */
+    public static final int UNDO_BLOCK_NUMBER = 23;
+
+    /**
+     * The user unblocked a number then undid the unblock
+     */
+    public static final int UNDO_UNBLOCK_NUMBER = 24;
+
+}
diff --git a/src/com/android/dialer/logging/Logger.java b/src/com/android/dialer/logging/Logger.java
index fc19c8f..25b7268 100644
--- a/src/com/android/dialer/logging/Logger.java
+++ b/src/com/android/dialer/logging/Logger.java
@@ -66,6 +66,20 @@
         }
     }
 
+    /**
+     * Logs an interaction that occurred
+     *
+     * @param interaction an integer representing what interaction occurred.
+     * {@see com.android.dialer.logging.InteractionEvent}
+     */
+    public static void logInteraction(int interaction) {
+        final Logger logger = getInstance();
+        if (logger != null) {
+            logger.logInteractionImpl(interaction);
+        }
+    }
+
     public abstract void logCallImpl(Call call);
     public abstract void logScreenViewImpl(int screenType);
+    public abstract void logInteractionImpl(int dialerInteraction);
 }