diff --git a/src/com/android/mms/service/MmsHttpClient.java b/src/com/android/mms/service/MmsHttpClient.java
index 40e03cd..fc0d67e 100644
--- a/src/com/android/mms/service/MmsHttpClient.java
+++ b/src/com/android/mms/service/MmsHttpClient.java
@@ -456,7 +456,7 @@
      * Example: "LINE1" returns the phone number, etc.
      *
      * @param macro The macro name
-     * @param mmsConfig The MMS config which contains NAI suffix.
+     * @param mmsConfig The MMS config which contains NAI suffix and SIM country ISO to override.
      * @param subId The subscription ID used to get line number, etc.
      * @return The value of the defined macro
      */
@@ -465,7 +465,7 @@
         if (MACRO_LINE1.equals(macro)) {
             return getLine1(context, subId);
         } else if (MACRO_LINE1NOCOUNTRYCODE.equals(macro)) {
-            return getLine1NoCountryCode(context, subId);
+            return getLine1NoCountryCode(context, mmsConfig, subId);
         } else if (MACRO_NAI.equals(macro)) {
             return getNai(context, mmsConfig, subId);
         }
@@ -485,13 +485,16 @@
     /**
      * Returns the phone number (without country code) for the given subscription ID.
      */
-    private static String getLine1NoCountryCode(Context context, int subId) {
+    private static String getLine1NoCountryCode(Context context, Bundle mmsConfig, int subId) {
         final TelephonyManager telephonyManager = (TelephonyManager) context.getSystemService(
                 Context.TELEPHONY_SERVICE);
+        String countryIsoOverride =
+                mmsConfig.getString(SmsManager.MMS_CONFIG_SIM_COUNTRY_ISO_OVERRIDE);
         return PhoneUtils.getNationalNumber(
-                telephonyManager,
-                subId,
-                telephonyManager.getLine1Number(subId));
+            telephonyManager,
+            subId,
+            telephonyManager.getLine1Number(subId),
+            countryIsoOverride);
     }
 
     /**
diff --git a/src/com/android/mms/service/PhoneUtils.java b/src/com/android/mms/service/PhoneUtils.java
index 54b7ba9..a736ee2 100644
--- a/src/com/android/mms/service/PhoneUtils.java
+++ b/src/com/android/mms/service/PhoneUtils.java
@@ -37,11 +37,17 @@
      * @param telephonyManager
      * @param subId The SIM ID associated with this number
      * @param phoneText The input phone number text
+     * @param countryIsoOverride String to override sim country iso.
      * @return The formatted number or the original phone number if failed to parse
      */
     public static String getNationalNumber(TelephonyManager telephonyManager, int subId,
-            String phoneText) {
-        final String country = getSimOrDefaultLocaleCountry(telephonyManager, subId);
+            String phoneText, String countryIsoOverride) {
+        String country = getSimOrDefaultLocaleCountry(telephonyManager, subId);
+
+        if (!TextUtils.isEmpty(countryIsoOverride)) {
+            country = countryIsoOverride.toUpperCase();
+        }
+
         final PhoneNumberUtil phoneNumberUtil = PhoneNumberUtil.getInstance();
         final Phonenumber.PhoneNumber parsed = getParsedNumber(phoneNumberUtil, phoneText, country);
         if (parsed == null) {