diff --git a/java/com/android/dialer/assisteddialing/ConcreteCreator.java b/java/com/android/dialer/assisteddialing/ConcreteCreator.java
index 9244f69..c3721a7 100644
--- a/java/com/android/dialer/assisteddialing/ConcreteCreator.java
+++ b/java/com/android/dialer/assisteddialing/ConcreteCreator.java
@@ -89,7 +89,11 @@
         new Constraints(
             context, configProvider.getString("assisted_dialing_csv_country_codes", ""));
     return new AssistedDialingMediatorImpl(
-        new LocationDetector(telephonyManager), new NumberTransformer(constraints));
+        new LocationDetector(
+            telephonyManager,
+            PreferenceManager.getDefaultSharedPreferences(context)
+                .getString(context.getString(R.string.assisted_dialing_setting_cc_key), null)),
+        new NumberTransformer(constraints));
   }
 
   /** Returns a boolean indicating whether or not the assisted dialing feature is enabled. */
diff --git a/java/com/android/dialer/assisteddialing/LocationDetector.java b/java/com/android/dialer/assisteddialing/LocationDetector.java
index 6840689..8e7535c 100644
--- a/java/com/android/dialer/assisteddialing/LocationDetector.java
+++ b/java/com/android/dialer/assisteddialing/LocationDetector.java
@@ -19,7 +19,9 @@
 import android.annotation.TargetApi;
 import android.os.Build.VERSION_CODES;
 import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
 import android.telephony.TelephonyManager;
+import android.text.TextUtils;
 import com.android.dialer.common.LogUtil;
 import java.util.Locale;
 import java.util.Optional;
@@ -32,12 +34,16 @@
 final class LocationDetector {
 
   private final TelephonyManager telephonyManager;
+  private final String userProvidedHomeCountry;
 
-  public LocationDetector(@NonNull TelephonyManager telephonyManager) {
+  public LocationDetector(
+      @NonNull TelephonyManager telephonyManager, @Nullable String userProvidedHomeCountry) {
     if (telephonyManager == null) {
       throw new NullPointerException("Provided TelephonyManager was null");
     }
+
     this.telephonyManager = telephonyManager;
+    this.userProvidedHomeCountry = userProvidedHomeCountry;
   }
 
   // TODO(erfanian):  confirm this is based on ISO 3166-1 alpha-2. libphonenumber expects Unicode's
@@ -50,8 +56,16 @@
   @SuppressWarnings("AndroidApiChecker") // Use of optional
   @TargetApi(VERSION_CODES.N)
   public Optional<String> getUpperCaseUserHomeCountry() {
+
+    if (!TextUtils.isEmpty(userProvidedHomeCountry)) {
+      LogUtil.i(
+          "LocationDetector.getUpperCaseUserRoamingCountry", "user provided home country code");
+      return Optional.of(userProvidedHomeCountry.toUpperCase(Locale.US));
+    }
+
     String simCountryIso = telephonyManager.getSimCountryIso();
     if (simCountryIso != null) {
+      LogUtil.i("LocationDetector.getUpperCaseUserRoamingCountry", "using sim country iso");
       return Optional.of(telephonyManager.getSimCountryIso().toUpperCase(Locale.US));
     }
     LogUtil.i("LocationDetector.getUpperCaseUserHomeCountry", "user home country was null");
diff --git a/java/com/android/dialer/assisteddialing/ui/AssistedDialingSettingFragment.java b/java/com/android/dialer/assisteddialing/ui/AssistedDialingSettingFragment.java
index 8847448..a70844f 100644
--- a/java/com/android/dialer/assisteddialing/ui/AssistedDialingSettingFragment.java
+++ b/java/com/android/dialer/assisteddialing/ui/AssistedDialingSettingFragment.java
@@ -16,7 +16,10 @@
 package com.android.dialer.assisteddialing.ui;
 
 import android.os.Bundle;
+import android.preference.ListPreference;
+import android.preference.Preference;
 import android.preference.PreferenceFragment;
+import android.text.TextUtils;
 
 /** The setting for Assisted Dialing */
 public class AssistedDialingSettingFragment extends PreferenceFragment {
@@ -27,5 +30,20 @@
 
     // Load the preferences from an XML resource
     addPreferencesFromResource(R.xml.assisted_dialing_setting);
+    ListPreference countryChooserPref =
+        (ListPreference)
+            findPreference(getContext().getString(R.string.assisted_dialing_setting_cc_key));
+
+    if (!TextUtils.isEmpty(countryChooserPref.getEntry())) {
+      countryChooserPref.setSummary(countryChooserPref.getEntry());
+    }
+    countryChooserPref.setOnPreferenceChangeListener(this::updateListSummary);
+  }
+
+  boolean updateListSummary(Preference pref, Object newValue) {
+    ListPreference listPref = (ListPreference) pref;
+    CharSequence[] entries = listPref.getEntries();
+    listPref.setSummary(entries[listPref.findIndexOfValue(newValue.toString())]);
+    return true;
   }
 }
diff --git a/java/com/android/dialer/assisteddialing/ui/res/values/string.xml b/java/com/android/dialer/assisteddialing/ui/res/values/string.xml
index cd159bf..3b40817 100644
--- a/java/com/android/dialer/assisteddialing/ui/res/values/string.xml
+++ b/java/com/android/dialer/assisteddialing/ui/res/values/string.xml
@@ -15,7 +15,7 @@
   ~ limitations under the License
   -->
 
-<resources>
+<resources xmlns:xliff="urn:oasis:names:tc:xliff:document:1.2">
   <!-- Label for a setting enabling assisted dialing [CHAR LIMIT=40]-->
   <string name="assisted_dialing_setting_title">Assisted dialing</string>
 
@@ -24,4 +24,511 @@
 
   <!-- Key for the assisted dialing setting toggle-->
   <string name="assisted_dialing_setting_toggle_key" translatable="false">assisted_dialing_setting_toggle_key</string>
+
+  <!-- Key for the assisted dialing home country setting-->
+  <string name="assisted_dialing_setting_cc_key" translatable="false">assisted_dialing_setting_cc_key</string>
+
+  <!-- Indicates the default state for the home country selector-->
+  <string name="assisted_dialing_setting_cc_default_summary">Automatically detected</string>
+
+  <!-- Category title for the country code picker in assisted dialing [CHAR LIMIT=40]-->
+  <string name="assisted_dialing_setting_cc_category_title">Home country</string>
+
+  <!-- Label for the country code picker in assisted dialing [CHAR LIMIT=40]-->
+  <string name="assisted_dialing_setting_cc_title">Default home country</string>
+
+  <!-- Composed from https://www.iso.org/obp/ui/#search and
+       https://github.com/googlei18n/libphonenumber/blob/master/javascript/i18n/phonenumbers/metadata.js#L34 -->
+  <!-- Excluding ['Antarctica', 'Bouvet Island', 'French Southern Territories (the)', 'Heard Island and McDonald Islands', 'Pitcairn', 'South Georgia and the South Sandwich Islands', 'United States Minor Outlying Islands (the)'] -->
+  <!-- Options for the country codes used in assisted dialing. DO NOT TRANSLATE NUMBERS. [CHAR LIMIT=40] -->
+  <string-array name="assisted_dialing_cc_entries">
+    <item>@string/assisted_dialing_setting_cc_default_summary</item>
+    <item>Afghanistan <xliff:g>(+93)</xliff:g></item>
+    <item>Åland Islands <xliff:g>(+358)</xliff:g></item>
+    <item>Albania <xliff:g>(+355)</xliff:g></item>
+    <item>Algeria <xliff:g>(+213)</xliff:g></item>
+    <item>American Samoa <xliff:g>(+1)</xliff:g></item>
+    <item>Andorra <xliff:g>(+376)</xliff:g></item>
+    <item>Angola <xliff:g>(+244)</xliff:g></item>
+    <item>Anguilla <xliff:g>(+1)</xliff:g></item>
+    <item>Antigua and Barbuda <xliff:g>(+1)</xliff:g></item>
+    <item>Argentina <xliff:g>(+54)</xliff:g></item>
+    <item>Armenia <xliff:g>(+374)</xliff:g></item>
+    <item>Aruba <xliff:g>(+297)</xliff:g></item>
+    <item>Australia <xliff:g>(+61)</xliff:g></item>
+    <item>Austria <xliff:g>(+43)</xliff:g></item>
+    <item>Azerbaijan <xliff:g>(+994)</xliff:g></item>
+    <item>Bahamas <xliff:g>(+1)</xliff:g></item>
+    <item>Bahrain <xliff:g>(+973)</xliff:g></item>
+    <item>Bangladesh <xliff:g>(+880)</xliff:g></item>
+    <item>Barbados <xliff:g>(+1)</xliff:g></item>
+    <item>Belarus <xliff:g>(+375)</xliff:g></item>
+    <item>Belgium <xliff:g>(+32)</xliff:g></item>
+    <item>Belize <xliff:g>(+501)</xliff:g></item>
+    <item>Benin <xliff:g>(+229)</xliff:g></item>
+    <item>Bermuda <xliff:g>(+1)</xliff:g></item>
+    <item>Bhutan <xliff:g>(+975)</xliff:g></item>
+    <item>Bolivia <xliff:g>(+591)</xliff:g></item>
+    <item>Caribbean Netherlands <xliff:g>(+599)</xliff:g></item>
+    <item>Bosnia and Herzegovina <xliff:g>(+387)</xliff:g></item>
+    <item>Botswana <xliff:g>(+267)</xliff:g></item>
+    <item>Brazil <xliff:g>(+55)</xliff:g></item>
+    <item>British Indian Ocean Territory <xliff:g>(+246)</xliff:g></item>
+    <item>Brunei <xliff:g>(+673)</xliff:g></item>
+    <item>Bulgaria <xliff:g>(+359)</xliff:g></item>
+    <item>Burkina Faso <xliff:g>(+226)</xliff:g></item>
+    <item>Burundi <xliff:g>(+257)</xliff:g></item>
+    <item>Cabo Verde <xliff:g>(+238)</xliff:g></item>
+    <item>Cambodia <xliff:g>(+855)</xliff:g></item>
+    <item>Cameroon <xliff:g>(+237)</xliff:g></item>
+    <item>Canada <xliff:g>(+1)</xliff:g></item>
+    <item>Cayman Islands <xliff:g>(+1)</xliff:g></item>
+    <item>Central African Republic <xliff:g>(+236)</xliff:g></item>
+    <item>Chad <xliff:g>(+235)</xliff:g></item>
+    <item>Chile <xliff:g>(+56)</xliff:g></item>
+    <item>China <xliff:g>(+86)</xliff:g></item>
+    <item>Christmas Island <xliff:g>(+61)</xliff:g></item>
+    <item>Cocos (Keeling) Islands <xliff:g>(+61)</xliff:g></item>
+    <item>Colombia <xliff:g>(+57)</xliff:g></item>
+    <item>Comoros <xliff:g>(+269)</xliff:g></item>
+    <item>Democratic Republic of the Congo <xliff:g>(+243)</xliff:g></item>
+    <item>Congo <xliff:g>(+242)</xliff:g></item>
+    <item>Cook Islands <xliff:g>(+682)</xliff:g></item>
+    <item>Costa Rica <xliff:g>(+506)</xliff:g></item>
+    <item>Côte d\'Ivoire <xliff:g>(+225)</xliff:g></item>
+    <item>Croatia <xliff:g>(+385)</xliff:g></item>
+    <item>Cuba <xliff:g>(+53)</xliff:g></item>
+    <item>Curaçao <xliff:g>(+599)</xliff:g></item>
+    <item>Cyprus <xliff:g>(+357)</xliff:g></item>
+    <item>Czechia <xliff:g>(+420)</xliff:g></item>
+    <item>Denmark <xliff:g>(+45)</xliff:g></item>
+    <item>Djibouti <xliff:g>(+253)</xliff:g></item>
+    <item>Dominica <xliff:g>(+1)</xliff:g></item>
+    <item>Dominican Republic <xliff:g>(+1)</xliff:g></item>
+    <item>Ecuador <xliff:g>(+593)</xliff:g></item>
+    <item>Egypt <xliff:g>(+20)</xliff:g></item>
+    <item>El Salvador <xliff:g>(+503)</xliff:g></item>
+    <item>Equatorial Guinea <xliff:g>(+240)</xliff:g></item>
+    <item>Eritrea <xliff:g>(+291)</xliff:g></item>
+    <item>Estonia <xliff:g>(+372)</xliff:g></item>
+    <item>Ethiopia <xliff:g>(+251)</xliff:g></item>
+    <item>Falkland Islands (Islas Malvinas) <xliff:g>(+500)</xliff:g></item>
+    <item>Faroe Islands <xliff:g>(+298)</xliff:g></item>
+    <item>Fiji <xliff:g>(+679)</xliff:g></item>
+    <item>Finland <xliff:g>(+358)</xliff:g></item>
+    <item>France <xliff:g>(+33)</xliff:g></item>
+    <item>French Guiana <xliff:g>(+594)</xliff:g></item>
+    <item>French Polynesia <xliff:g>(+689)</xliff:g></item>
+    <item>Gabon <xliff:g>(+241)</xliff:g></item>
+    <item>Gambia <xliff:g>(+220)</xliff:g></item>
+    <item>Georgia <xliff:g>(+995)</xliff:g></item>
+    <item>Germany <xliff:g>(+49)</xliff:g></item>
+    <item>Ghana <xliff:g>(+233)</xliff:g></item>
+    <item>Gibraltar <xliff:g>(+350)</xliff:g></item>
+    <item>Greece <xliff:g>(+30)</xliff:g></item>
+    <item>Greenland <xliff:g>(+299)</xliff:g></item>
+    <item>Grenada <xliff:g>(+1)</xliff:g></item>
+    <item>Guadeloupe <xliff:g>(+590)</xliff:g></item>
+    <item>Guam <xliff:g>(+1)</xliff:g></item>
+    <item>Guatemala <xliff:g>(+502)</xliff:g></item>
+    <item>Guernsey <xliff:g>(+44)</xliff:g></item>
+    <item>Guinea <xliff:g>(+224)</xliff:g></item>
+    <item>Guinea-Bissau <xliff:g>(+245)</xliff:g></item>
+    <item>Guyana <xliff:g>(+592)</xliff:g></item>
+    <item>Haiti <xliff:g>(+509)</xliff:g></item>
+    <item>Holy See <xliff:g>(+39)</xliff:g></item>
+    <item>Honduras <xliff:g>(+504)</xliff:g></item>
+    <item>Hong Kong <xliff:g>(+852)</xliff:g></item>
+    <item>Hungary <xliff:g>(+36)</xliff:g></item>
+    <item>Iceland <xliff:g>(+354)</xliff:g></item>
+    <item>India <xliff:g>(+91)</xliff:g></item>
+    <item>Indonesia <xliff:g>(+62)</xliff:g></item>
+    <item>Iran <xliff:g>(+98)</xliff:g></item>
+    <item>Iraq <xliff:g>(+964)</xliff:g></item>
+    <item>Ireland <xliff:g>(+353)</xliff:g></item>
+    <item>Isle of Man <xliff:g>(+44)</xliff:g></item>
+    <item>Israel <xliff:g>(+972)</xliff:g></item>
+    <item>Italy <xliff:g>(+39)</xliff:g></item>
+    <item>Jamaica <xliff:g>(+1)</xliff:g></item>
+    <item>Japan <xliff:g>(+81)</xliff:g></item>
+    <item>Jersey <xliff:g>(+44)</xliff:g></item>
+    <item>Jordan <xliff:g>(+962)</xliff:g></item>
+    <item>Kazakhstan <xliff:g>(+7)</xliff:g></item>
+    <item>Kenya <xliff:g>(+254)</xliff:g></item>
+    <item>Kiribati <xliff:g>(+686)</xliff:g></item>
+    <item>North Korea <xliff:g>(+850)</xliff:g></item>
+    <item>South Korea <xliff:g>(+82)</xliff:g></item>
+    <item>Kuwait <xliff:g>(+965)</xliff:g></item>
+    <item>Kyrgyzstan <xliff:g>(+996)</xliff:g></item>
+    <item>Laos <xliff:g>(+856)</xliff:g></item>
+    <item>Latvia <xliff:g>(+371)</xliff:g></item>
+    <item>Lebanon <xliff:g>(+961)</xliff:g></item>
+    <item>Lesotho <xliff:g>(+266)</xliff:g></item>
+    <item>Liberia <xliff:g>(+231)</xliff:g></item>
+    <item>Libya <xliff:g>(+218)</xliff:g></item>
+    <item>Liechtenstein <xliff:g>(+423)</xliff:g></item>
+    <item>Lithuania <xliff:g>(+370)</xliff:g></item>
+    <item>Luxembourg <xliff:g>(+352)</xliff:g></item>
+    <item>Macao <xliff:g>(+853)</xliff:g></item>
+    <item>Macedonia (FYROM) <xliff:g>(+389)</xliff:g></item>
+    <item>Madagascar <xliff:g>(+261)</xliff:g></item>
+    <item>Malawi <xliff:g>(+265)</xliff:g></item>
+    <item>Malaysia <xliff:g>(+60)</xliff:g></item>
+    <item>Maldives <xliff:g>(+960)</xliff:g></item>
+    <item>Mali <xliff:g>(+223)</xliff:g></item>
+    <item>Malta <xliff:g>(+356)</xliff:g></item>
+    <item>Marshall Islands <xliff:g>(+692)</xliff:g></item>
+    <item>Martinique <xliff:g>(+596)</xliff:g></item>
+    <item>Mauritania <xliff:g>(+222)</xliff:g></item>
+    <item>Mauritius <xliff:g>(+230)</xliff:g></item>
+    <item>Mayotte <xliff:g>(+262)</xliff:g></item>
+    <item>Mexico <xliff:g>(+52)</xliff:g></item>
+    <item>Micronesia <xliff:g>(+691)</xliff:g></item>
+    <item>Moldova <xliff:g>(+373)</xliff:g></item>
+    <item>Monaco <xliff:g>(+377)</xliff:g></item>
+    <item>Mongolia <xliff:g>(+976)</xliff:g></item>
+    <item>Montenegro <xliff:g>(+382)</xliff:g></item>
+    <item>Montserrat <xliff:g>(+1)</xliff:g></item>
+    <item>Morocco <xliff:g>(+212)</xliff:g></item>
+    <item>Mozambique <xliff:g>(+258)</xliff:g></item>
+    <item>Myanmar <xliff:g>(+95)</xliff:g></item>
+    <item>Namibia <xliff:g>(+264)</xliff:g></item>
+    <item>Nauru <xliff:g>(+674)</xliff:g></item>
+    <item>Nepal <xliff:g>(+977)</xliff:g></item>
+    <item>Netherlands <xliff:g>(+31)</xliff:g></item>
+    <item>New Caledonia <xliff:g>(+687)</xliff:g></item>
+    <item>New Zealand <xliff:g>(+64)</xliff:g></item>
+    <item>Nicaragua <xliff:g>(+505)</xliff:g></item>
+    <item>Niger <xliff:g>(+227)</xliff:g></item>
+    <item>Nigeria <xliff:g>(+234)</xliff:g></item>
+    <item>Niue <xliff:g>(+683)</xliff:g></item>
+    <item>Norfolk Island <xliff:g>(+672)</xliff:g></item>
+    <item>Northern Mariana Islands <xliff:g>(+1)</xliff:g></item>
+    <item>Norway <xliff:g>(+47)</xliff:g></item>
+    <item>Oman <xliff:g>(+968)</xliff:g></item>
+    <item>Pakistan <xliff:g>(+92)</xliff:g></item>
+    <item>Palau <xliff:g>(+680)</xliff:g></item>
+    <item>Palestine <xliff:g>(+970)</xliff:g></item>
+    <item>Panama <xliff:g>(+507)</xliff:g></item>
+    <item>Papua New Guinea <xliff:g>(+675)</xliff:g></item>
+    <item>Paraguay <xliff:g>(+595)</xliff:g></item>
+    <item>Peru <xliff:g>(+51)</xliff:g></item>
+    <item>Philippines <xliff:g>(+63)</xliff:g></item>
+    <item>Poland <xliff:g>(+48)</xliff:g></item>
+    <item>Portugal <xliff:g>(+351)</xliff:g></item>
+    <item>Puerto Rico <xliff:g>(+1)</xliff:g></item>
+    <item>Qatar <xliff:g>(+974)</xliff:g></item>
+    <item>Réunion <xliff:g>(+262)</xliff:g></item>
+    <item>Romania <xliff:g>(+40)</xliff:g></item>
+    <item>Russian <xliff:g>(+7)</xliff:g></item>
+    <item>Rwanda <xliff:g>(+250)</xliff:g></item>
+    <item>St. Barthélemy <xliff:g>(+590)</xliff:g></item>
+    <item>St. Helena <xliff:g>(+290)</xliff:g></item>
+    <item>St. Kitts and Nevis <xliff:g>(+1)</xliff:g></item>
+    <item>St. Lucia <xliff:g>(+1)</xliff:g></item>
+    <item>St. Martin <xliff:g>(+590)</xliff:g></item>
+    <item>St. Pierre and Miquelon <xliff:g>(+508)</xliff:g></item>
+    <item>St. Vincent and the Grenadines <xliff:g>(+1)</xliff:g></item>
+    <item>Samoa <xliff:g>(+685)</xliff:g></item>
+    <item>San Marino <xliff:g>(+378)</xliff:g></item>
+    <item>Sao Tome and Principe <xliff:g>(+239)</xliff:g></item>
+    <item>Saudi Arabia <xliff:g>(+966)</xliff:g></item>
+    <item>Senegal <xliff:g>(+221)</xliff:g></item>
+    <item>Serbia <xliff:g>(+381)</xliff:g></item>
+    <item>Seychelles <xliff:g>(+248)</xliff:g></item>
+    <item>Sierra Leone <xliff:g>(+232)</xliff:g></item>
+    <item>Singapore <xliff:g>(+65)</xliff:g></item>
+    <item>Sint Maarten <xliff:g>(+1)</xliff:g></item>
+    <item>Slovakia <xliff:g>(+421)</xliff:g></item>
+    <item>Slovenia <xliff:g>(+386)</xliff:g></item>
+    <item>Solomon Islands <xliff:g>(+677)</xliff:g></item>
+    <item>Somalia <xliff:g>(+252)</xliff:g></item>
+    <item>South Africa <xliff:g>(+27)</xliff:g></item>
+    <item>South Sudan <xliff:g>(+211)</xliff:g></item>
+    <item>Spain <xliff:g>(+34)</xliff:g></item>
+    <item>Sri Lanka <xliff:g>(+94)</xliff:g></item>
+    <item>Sudan <xliff:g>(+249)</xliff:g></item>
+    <item>Suriname <xliff:g>(+597)</xliff:g></item>
+    <item>Svalbard and Jan Mayen <xliff:g>(+47)</xliff:g></item>
+    <item>Swaziland <xliff:g>(+268)</xliff:g></item>
+    <item>Sweden <xliff:g>(+46)</xliff:g></item>
+    <item>Switzerland <xliff:g>(+41)</xliff:g></item>
+    <item>Syria <xliff:g>(+963)</xliff:g></item>
+    <item>Taiwan <xliff:g>(+886)</xliff:g></item>
+    <item>Tajikistan <xliff:g>(+992)</xliff:g></item>
+    <item>Tanzania <xliff:g>(+255)</xliff:g></item>
+    <item>Thailand <xliff:g>(+66)</xliff:g></item>
+    <item>Timor-Leste <xliff:g>(+670)</xliff:g></item>
+    <item>Togo <xliff:g>(+228)</xliff:g></item>
+    <item>Tokelau <xliff:g>(+690)</xliff:g></item>
+    <item>Tonga <xliff:g>(+676)</xliff:g></item>
+    <item>Trinidad and Tobago <xliff:g>(+1)</xliff:g></item>
+    <item>Tunisia <xliff:g>(+216)</xliff:g></item>
+    <item>Turkey <xliff:g>(+90)</xliff:g></item>
+    <item>Turkmenistan <xliff:g>(+993)</xliff:g></item>
+    <item>Turks and Caicos Islands <xliff:g>(+1)</xliff:g></item>
+    <item>Tuvalu <xliff:g>(+688)</xliff:g></item>
+    <item>Uganda <xliff:g>(+256)</xliff:g></item>
+    <item>Ukraine <xliff:g>(+380)</xliff:g></item>
+    <item>United Arab Emirates <xliff:g>(+971)</xliff:g></item>
+    <item>United Kingdom <xliff:g>(+44)</xliff:g></item>
+    <item>United States <xliff:g>(+1)</xliff:g></item>
+    <item>Uruguay <xliff:g>(+598)</xliff:g></item>
+    <item>Uzbekistan <xliff:g>(+998)</xliff:g></item>
+    <item>Vanuatu <xliff:g>(+678)</xliff:g></item>
+    <item>Venezuela <xliff:g>(+58)</xliff:g></item>
+    <item>Viet Nam <xliff:g>(+84)</xliff:g></item>
+    <item>Virgin Islands (British) <xliff:g>(+1)</xliff:g></item>
+    <item>Virgin Islands (U.S.) <xliff:g>(+1)</xliff:g></item>
+    <item>Wallis and Futuna <xliff:g>(+681)</xliff:g></item>
+    <item>Western Sahara <xliff:g>(+212)</xliff:g></item>
+    <item>Yemen <xliff:g>(+967)</xliff:g></item>
+    <item>Zambia <xliff:g>(+260)</xliff:g></item>
+    <item>Zimbabwe <xliff:g>(+263)</xliff:g></item>
+  </string-array>
+  <string-array name="assisted_dialing_cc_values" translatable="false">
+    <item></item>
+    <item>AF</item>
+    <item>AX</item>
+    <item>AL</item>
+    <item>DZ</item>
+    <item>AS</item>
+    <item>AD</item>
+    <item>AO</item>
+    <item>AI</item>
+    <item>AG</item>
+    <item>AR</item>
+    <item>AM</item>
+    <item>AW</item>
+    <item>AU</item>
+    <item>AT</item>
+    <item>AZ</item>
+    <item>BS</item>
+    <item>BH</item>
+    <item>BD</item>
+    <item>BB</item>
+    <item>BY</item>
+    <item>BE</item>
+    <item>BZ</item>
+    <item>BJ</item>
+    <item>BM</item>
+    <item>BT</item>
+    <item>BO</item>
+    <item>BQ</item>
+    <item>BA</item>
+    <item>BW</item>
+    <item>BR</item>
+    <item>IO</item>
+    <item>BN</item>
+    <item>BG</item>
+    <item>BF</item>
+    <item>BI</item>
+    <item>CV</item>
+    <item>KH</item>
+    <item>CM</item>
+    <item>CA</item>
+    <item>KY</item>
+    <item>CF</item>
+    <item>TD</item>
+    <item>CL</item>
+    <item>CN</item>
+    <item>CX</item>
+    <item>CC</item>
+    <item>CO</item>
+    <item>KM</item>
+    <item>CD</item>
+    <item>CG</item>
+    <item>CK</item>
+    <item>CR</item>
+    <item>CI</item>
+    <item>HR</item>
+    <item>CU</item>
+    <item>CW</item>
+    <item>CY</item>
+    <item>CZ</item>
+    <item>DK</item>
+    <item>DJ</item>
+    <item>DM</item>
+    <item>DO</item>
+    <item>EC</item>
+    <item>EG</item>
+    <item>SV</item>
+    <item>GQ</item>
+    <item>ER</item>
+    <item>EE</item>
+    <item>ET</item>
+    <item>FK</item>
+    <item>FO</item>
+    <item>FJ</item>
+    <item>FI</item>
+    <item>FR</item>
+    <item>GF</item>
+    <item>PF</item>
+    <item>GA</item>
+    <item>GM</item>
+    <item>GE</item>
+    <item>DE</item>
+    <item>GH</item>
+    <item>GI</item>
+    <item>GR</item>
+    <item>GL</item>
+    <item>GD</item>
+    <item>GP</item>
+    <item>GU</item>
+    <item>GT</item>
+    <item>GG</item>
+    <item>GN</item>
+    <item>GW</item>
+    <item>GY</item>
+    <item>HT</item>
+    <item>VA</item>
+    <item>HN</item>
+    <item>HK</item>
+    <item>HU</item>
+    <item>IS</item>
+    <item>IN</item>
+    <item>ID</item>
+    <item>IR</item>
+    <item>IQ</item>
+    <item>IE</item>
+    <item>IM</item>
+    <item>IL</item>
+    <item>IT</item>
+    <item>JM</item>
+    <item>JP</item>
+    <item>JE</item>
+    <item>JO</item>
+    <item>KZ</item>
+    <item>KE</item>
+    <item>KI</item>
+    <item>KP</item>
+    <item>KR</item>
+    <item>KW</item>
+    <item>KG</item>
+    <item>LA</item>
+    <item>LV</item>
+    <item>LB</item>
+    <item>LS</item>
+    <item>LR</item>
+    <item>LY</item>
+    <item>LI</item>
+    <item>LT</item>
+    <item>LU</item>
+    <item>MO</item>
+    <item>MK</item>
+    <item>MG</item>
+    <item>MW</item>
+    <item>MY</item>
+    <item>MV</item>
+    <item>ML</item>
+    <item>MT</item>
+    <item>MH</item>
+    <item>MQ</item>
+    <item>MR</item>
+    <item>MU</item>
+    <item>YT</item>
+    <item>MX</item>
+    <item>FM</item>
+    <item>MD</item>
+    <item>MC</item>
+    <item>MN</item>
+    <item>ME</item>
+    <item>MS</item>
+    <item>MA</item>
+    <item>MZ</item>
+    <item>MM</item>
+    <item>NA</item>
+    <item>NR</item>
+    <item>NP</item>
+    <item>NL</item>
+    <item>NC</item>
+    <item>NZ</item>
+    <item>NI</item>
+    <item>NE</item>
+    <item>NG</item>
+    <item>NU</item>
+    <item>NF</item>
+    <item>MP</item>
+    <item>NO</item>
+    <item>OM</item>
+    <item>PK</item>
+    <item>PW</item>
+    <item>PS</item>
+    <item>PA</item>
+    <item>PG</item>
+    <item>PY</item>
+    <item>PE</item>
+    <item>PH</item>
+    <item>PL</item>
+    <item>PT</item>
+    <item>PR</item>
+    <item>QA</item>
+    <item>RE</item>
+    <item>RO</item>
+    <item>RU</item>
+    <item>RW</item>
+    <item>BL</item>
+    <item>SH</item>
+    <item>KN</item>
+    <item>LC</item>
+    <item>MF</item>
+    <item>PM</item>
+    <item>VC</item>
+    <item>WS</item>
+    <item>SM</item>
+    <item>ST</item>
+    <item>SA</item>
+    <item>SN</item>
+    <item>RS</item>
+    <item>SC</item>
+    <item>SL</item>
+    <item>SG</item>
+    <item>SX</item>
+    <item>SK</item>
+    <item>SI</item>
+    <item>SB</item>
+    <item>SO</item>
+    <item>ZA</item>
+    <item>SS</item>
+    <item>ES</item>
+    <item>LK</item>
+    <item>SD</item>
+    <item>SR</item>
+    <item>SJ</item>
+    <item>SZ</item>
+    <item>SE</item>
+    <item>CH</item>
+    <item>SY</item>
+    <item>TW</item>
+    <item>TJ</item>
+    <item>TZ</item>
+    <item>TH</item>
+    <item>TL</item>
+    <item>TG</item>
+    <item>TK</item>
+    <item>TO</item>
+    <item>TT</item>
+    <item>TN</item>
+    <item>TR</item>
+    <item>TM</item>
+    <item>TC</item>
+    <item>TV</item>
+    <item>UG</item>
+    <item>UA</item>
+    <item>AE</item>
+    <item>GB</item>
+    <item>US</item>
+    <item>UY</item>
+    <item>UZ</item>
+    <item>VU</item>
+    <item>VE</item>
+    <item>VN</item>
+    <item>VG</item>
+    <item>VI</item>
+    <item>WF</item>
+    <item>EH</item>
+    <item>YE</item>
+    <item>ZM</item>
+    <item>ZW</item>
+  </string-array>
 </resources>
\ No newline at end of file
diff --git a/java/com/android/dialer/assisteddialing/ui/res/xml/assisted_dialing_setting.xml b/java/com/android/dialer/assisteddialing/ui/res/xml/assisted_dialing_setting.xml
index 806edfc..c1706b2 100644
--- a/java/com/android/dialer/assisteddialing/ui/res/xml/assisted_dialing_setting.xml
+++ b/java/com/android/dialer/assisteddialing/ui/res/xml/assisted_dialing_setting.xml
@@ -17,10 +17,22 @@
 <PreferenceScreen
     xmlns:android="http://schemas.android.com/apk/res/android">
 
-    <SwitchPreference
-        android:defaultValue="true"
-        android:key="@string/assisted_dialing_setting_toggle_key"
-        android:title="@string/assisted_dialing_setting_title"
-        android:summary="@string/assisted_dialing_setting_summary" />
+  <SwitchPreference
+      android:defaultValue="true"
+      android:key="@string/assisted_dialing_setting_toggle_key"
+      android:summary="@string/assisted_dialing_setting_summary"
+      android:title="@string/assisted_dialing_setting_title"/>
+
+  <PreferenceCategory
+      android:title="@string/assisted_dialing_setting_cc_category_title">
+    <ListPreference
+        android:dependency="@string/assisted_dialing_setting_toggle_key"
+        android:defaultValue=""
+        android:entries="@array/assisted_dialing_cc_entries"
+        android:entryValues="@array/assisted_dialing_cc_values"
+        android:key="@string/assisted_dialing_setting_cc_key"
+        android:summary="@string/assisted_dialing_setting_cc_default_summary"
+        android:title="@string/assisted_dialing_setting_cc_title"/>
+  </PreferenceCategory>
 
 </PreferenceScreen>