diff --git a/api/system-current.txt b/api/system-current.txt
index 6f20cd1cfafcb..5fe3c039bb7da 100755
--- a/api/system-current.txt
+++ b/api/system-current.txt
@@ -9722,6 +9722,11 @@ package android.telephony.euicc {
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void getDefaultDownloadableSubscriptionList(android.app.PendingIntent);
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void getDownloadableSubscriptionMetadata(android.telephony.euicc.DownloadableSubscription, android.app.PendingIntent);
     method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public int getOtaStatus();
+    method @NonNull @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public java.util.List<java.lang.String> getSupportedCountries();
+    method @NonNull @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public java.util.List<java.lang.String> getUnsupportedCountries();
+    method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public boolean isSupportedCountry(@NonNull String);
+    method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void setSupportedCountries(@NonNull java.util.List<java.lang.String>);
+    method @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public void setUnsupportedCountries(@NonNull java.util.List<java.lang.String>);
     field public static final String ACTION_DELETE_SUBSCRIPTION_PRIVILEGED = "android.telephony.euicc.action.DELETE_SUBSCRIPTION_PRIVILEGED";
     field @RequiresPermission(android.Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS) public static final String ACTION_OTA_STATUS_CHANGED = "android.telephony.euicc.action.OTA_STATUS_CHANGED";
     field public static final String ACTION_PROVISION_EMBEDDED_SUBSCRIPTION = "android.telephony.euicc.action.PROVISION_EMBEDDED_SUBSCRIPTION";
diff --git a/telephony/java/android/telephony/euicc/EuiccManager.java b/telephony/java/android/telephony/euicc/EuiccManager.java
index cb66a9650f2ff..ccd28f433e402 100644
--- a/telephony/java/android/telephony/euicc/EuiccManager.java
+++ b/telephony/java/android/telephony/euicc/EuiccManager.java
@@ -38,6 +38,9 @@ import com.android.internal.telephony.euicc.IEuiccController;
 
 import java.lang.annotation.Retention;
 import java.lang.annotation.RetentionPolicy;
+import java.util.Collections;
+import java.util.List;
+import java.util.stream.Collectors;
 
 /**
  * EuiccManager is the application interface to eUICCs, or eSIMs/embedded SIMs.
@@ -938,6 +941,138 @@ public class EuiccManager {
         }
     }
 
+    /**
+     * Sets the supported countries for eUICC.
+     *
+     * <p>Requires that the calling app has the
+     * {@code android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * <p>The supported country list will be replaced by {@code supportedCountries}. For how we
+     * determine whether a country is supported please check {@link #isSupportedCountry}.
+     *
+     * @param supportedCountries is a list of strings contains country ISO codes in uppercase.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS)
+    public void setSupportedCountries(@NonNull List<String> supportedCountries) {
+        if (!isEnabled()) {
+            return;
+        }
+        try {
+            getIEuiccController().setSupportedCountries(
+                    true /* isSupported */,
+                    supportedCountries.stream()
+                        .map(String::toUpperCase).collect(Collectors.toList()));
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Sets the unsupported countries for eUICC.
+     *
+     * <p>Requires that the calling app has the
+     * {@code android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * <p>The unsupported country list will be replaced by {@code unsupportedCountries}. For how we
+     * determine whether a country is supported please check {@link #isSupportedCountry}.
+     *
+     * @param unsupportedCountries is a list of strings contains country ISO codes in uppercase.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS)
+    public void setUnsupportedCountries(@NonNull List<String> unsupportedCountries) {
+        if (!isEnabled()) {
+            return;
+        }
+        try {
+            getIEuiccController().setSupportedCountries(
+                    false /* isSupported */,
+                    unsupportedCountries.stream()
+                        .map(String::toUpperCase).collect(Collectors.toList()));
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Gets the supported countries for eUICC.
+     *
+     * <p>Requires that the calling app has the
+     * {@code android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * @return list of strings contains country ISO codes in uppercase.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS)
+    @NonNull
+    public List<String> getSupportedCountries() {
+        if (!isEnabled()) {
+            return Collections.emptyList();
+        }
+        try {
+            return getIEuiccController().getSupportedCountries(true /* isSupported */);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Gets the unsupported countries for eUICC.
+     *
+     * <p>Requires that the calling app has the
+     * {@code android.Manifest.permission#WRITE_EMBEDDED_SUBSCRIPTIONS} permission.
+     *
+     * @return list of strings contains country ISO codes in uppercase.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS)
+    @NonNull
+    public List<String> getUnsupportedCountries() {
+        if (!isEnabled()) {
+            return Collections.emptyList();
+        }
+        try {
+            return getIEuiccController().getSupportedCountries(false /* isSupported */);
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
+    /**
+     * Returns whether the given country supports eUICC.
+     *
+     * <p>Supported country list has a higher prority than unsupported country list. If the
+     * supported country list is not empty, {@code countryIso} will be considered as supported when
+     * it exists in the supported country list. Otherwise {@code countryIso} is not supported. If
+     * the supported country list is empty, {@code countryIso} will be considered as supported if it
+     * does not exist in the unsupported country list. Otherwise {@code countryIso} is not
+     * supported. If both supported and unsupported country lists are empty, then all countries are
+     * consider be supported. For how to set supported and unsupported country list, please check
+     * {@link #setSupportedCountries} and {@link #setUnsupportedCountries}.
+     *
+     * @param countryIso should be the ISO-3166 country code is provided in uppercase 2 character
+     * format.
+     * @return whether the given country supports eUICC or not.
+     * @hide
+     */
+    @SystemApi
+    @RequiresPermission(Manifest.permission.WRITE_EMBEDDED_SUBSCRIPTIONS)
+    public boolean isSupportedCountry(@NonNull String countryIso) {
+        if (!isEnabled()) {
+            return false;
+        }
+        try {
+            return getIEuiccController().isSupportedCountry(countryIso.toUpperCase());
+        } catch (RemoteException e) {
+            throw e.rethrowFromSystemServer();
+        }
+    }
+
     /**
      * Refreshes the cardId if its uninitialized, and returns whether we should continue the
      * operation.
diff --git a/telephony/java/com/android/internal/telephony/euicc/IEuiccController.aidl b/telephony/java/com/android/internal/telephony/euicc/IEuiccController.aidl
index 7422863d862c1..35e8a12e898a9 100644
--- a/telephony/java/com/android/internal/telephony/euicc/IEuiccController.aidl
+++ b/telephony/java/com/android/internal/telephony/euicc/IEuiccController.aidl
@@ -21,6 +21,7 @@ import android.content.Intent;
 import android.os.Bundle;
 import android.telephony.euicc.DownloadableSubscription;
 import android.telephony.euicc.EuiccInfo;
+import java.util.List;
 
 /** @hide */
 interface IEuiccController {
@@ -47,4 +48,7 @@ interface IEuiccController {
     oneway void eraseSubscriptionsWithOptions(
         int cardId, int options, in PendingIntent callbackIntent);
     oneway void retainSubscriptionsForFactoryReset(int cardId, in PendingIntent callbackIntent);
+    void setSupportedCountries(boolean isSupported, in List<String> countriesList);
+    List<String> getSupportedCountries(boolean isSupported);
+    boolean isSupportedCountry(String countryIso);
 }