diff --git a/src/com/android/dialer/calllog/CallLogListItemViewHolder.java b/src/com/android/dialer/calllog/CallLogListItemViewHolder.java
index 7fc62a2..8b2eb60 100644
--- a/src/com/android/dialer/calllog/CallLogListItemViewHolder.java
+++ b/src/com/android/dialer/calllog/CallLogListItemViewHolder.java
@@ -291,25 +291,22 @@
                     .setOnMenuItemClickListener(this);
         }
 
-        try {
-            mFilteredNumberAsyncQueryHandler.isBlocked(
-                    new FilteredNumberAsyncQueryHandler.OnCheckBlockedListener() {
-                        @Override
-                        public void onCheckComplete(Integer id) {
-                            blockId = id;
-                            int blockTitleId = blockId == null ? R.string.call_log_block_number
-                                    : R.string.call_log_unblock_number;
-                            final MenuItem blockItem = menu.add(
-                                    ContextMenu.NONE,
-                                    R.id.context_menu_block_number,
-                                    ContextMenu.NONE,
-                                    blockTitleId);
-                            blockItem.setOnMenuItemClickListener(
-                                    CallLogListItemViewHolder.this);
-                        }
-                    }, info.normalizedNumber, number, countryIso);
-        } catch (IllegalArgumentException e) {
-        }
+        mFilteredNumberAsyncQueryHandler.startBlockedQuery(
+                new FilteredNumberAsyncQueryHandler.OnCheckBlockedListener() {
+                    @Override
+                    public void onCheckComplete(Integer id) {
+                        blockId = id;
+                        int blockTitleId = blockId == null ? R.string.call_log_block_number
+                                : R.string.call_log_unblock_number;
+                        final MenuItem blockItem = menu.add(
+                                ContextMenu.NONE,
+                                R.id.context_menu_block_number,
+                                ContextMenu.NONE,
+                                blockTitleId);
+                        blockItem.setOnMenuItemClickListener(
+                                CallLogListItemViewHolder.this);
+                    }
+            }, info.normalizedNumber, number, countryIso);
     }
 
     @Override
diff --git a/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java b/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
index 061d628..0f33aa2 100644
--- a/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
+++ b/src/com/android/dialer/database/FilteredNumberAsyncQueryHandler.java
@@ -109,16 +109,19 @@
     /**
      * Check if the number + country iso given has been blocked.
      * This method normalizes the number for the lookup if normalizedNumber is null.
+     * @return {@code true} if the number was invalid and couldn't be checked,
+     * {@code false} otherwise,
      */
-    public final void isBlocked(final OnCheckBlockedListener listener,
-                                String normalizedNumber, String number, String countryIso) {
+    public final boolean startBlockedQuery(final OnCheckBlockedListener listener,
+                                        String normalizedNumber, String number, String countryIso) {
         if (normalizedNumber == null) {
             normalizedNumber = getNormalizedNumber(number, countryIso);
             if (normalizedNumber == null) {
-                throw new IllegalArgumentException("Invalid phone number");
+                return true;
             }
         }
-        isBlocked(listener, normalizedNumber);
+        startBlockedQuery(listener, normalizedNumber);
+        return false;
     }
 
     public static String getNormalizedNumber(String number, String countryIso) {
@@ -132,8 +135,8 @@
     /**
      * Check if the normalized number given has been blocked.
      */
-    public final void isBlocked(final OnCheckBlockedListener listener,
-                                String normalizedNumber) {
+    public final void startBlockedQuery(final OnCheckBlockedListener listener,
+                                        String normalizedNumber) {
         startQuery(NO_TOKEN,
                 new Listener() {
                     @Override
@@ -192,8 +195,8 @@
 
     /**
      * Removes row from database.
-     * Caller should call {@link FilteredNumberAsyncQueryHandler#isBlocked} first.
-     * @param id The ID of row to remove, from {@link FilteredNumberAsyncQueryHandler#isBlocked}.
+     * Caller should call {@link FilteredNumberAsyncQueryHandler#startBlockedQuery} first.
+     * @param id The ID of row to remove, from {@link FilteredNumberAsyncQueryHandler#startBlockedQuery}.
      */
     public final void unblock(final OnUnblockNumberListener listener, Integer id) {
         if (id == null) {
diff --git a/src/com/android/dialer/filterednumber/BlockedNumberFragment.java b/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
index a65013a..69fba34 100644
--- a/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
+++ b/src/com/android/dialer/filterednumber/BlockedNumberFragment.java
@@ -139,7 +139,7 @@
                             }
                         }
                     };
-                    mFilteredNumberAsyncQueryHandler.isBlocked(
+                    mFilteredNumberAsyncQueryHandler.startBlockedQuery(
                             onCheckListener, normalizedNumber, number, countryIso);
                 }
             }