diff --git a/core/api/test-current.txt b/core/api/test-current.txt
index 28b370680df46..72e159cd55026 100644
--- a/core/api/test-current.txt
+++ b/core/api/test-current.txt
@@ -2684,6 +2684,7 @@ package android.telephony {
     method @NonNull public android.util.Pair<java.lang.Integer,java.lang.Integer> getHalVersion(int);
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public String getLine1AlphaTag();
     method @Deprecated public android.util.Pair<java.lang.Integer,java.lang.Integer> getRadioHalVersion();
+    method @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE) public boolean isDomainSelectionSupported();
     method public boolean modifyDevicePolicyOverrideApn(@NonNull android.content.Context, int, @NonNull android.telephony.data.ApnSetting);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void refreshUiccProfile();
     method @Deprecated public void setCarrierTestOverride(String, String, String, String, String, String, String);
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 5d188b77c5fe3..b53897d293f5c 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -17933,4 +17933,28 @@ public class TelephonyManager {
             ex.rethrowFromSystemServer();
         }
     }
+
+    /**
+     * Returns whether the domain selection service is supported.
+     *
+     * <p>Requires Permission:
+     * {@link android.Manifest.permission#READ_PRIVILEGED_PHONE_STATE READ_PRIVILEGED_PHONE_STATE}.
+     *
+     * @return {@code true} if the domain selection service is supported.
+     * @hide
+     */
+    @TestApi
+    @RequiresPermission(android.Manifest.permission.READ_PRIVILEGED_PHONE_STATE)
+    @RequiresFeature(PackageManager.FEATURE_TELEPHONY_CALLING)
+    public boolean isDomainSelectionSupported() {
+        try {
+            ITelephony telephony = getITelephony();
+            if (telephony != null) {
+                return telephony.isDomainSelectionSupported();
+            }
+        } catch (RemoteException ex) {
+            Rlog.w(TAG, "RemoteException", ex);
+        }
+        return false;
+    }
 }
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index 33da4549820e3..356d87b061b98 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -2670,4 +2670,11 @@ interface ITelephony {
      */
     void setCellBroadcastIdRanges(int subId, in List<CellBroadcastIdRange> ranges,
             IIntegerConsumer callback);
+
+    /**
+     * Returns whether the domain selection service is supported.
+     *
+     * @return {@code true} if the domain selection service is supported.
+     */
+    boolean isDomainSelectionSupported();
 }