diff --git a/core/api/current.txt b/core/api/current.txt
index c141490..25765cf 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -43248,6 +43248,7 @@
     method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_SMS, android.Manifest.permission.READ_PHONE_NUMBERS}, conditional=true) public String getLine1Number(android.telecom.PhoneAccountHandle);
     method @NonNull @RequiresPermission(android.Manifest.permission.MANAGE_OWN_CALLS) public java.util.List<android.telecom.PhoneAccountHandle> getOwnSelfManagedPhoneAccounts();
     method public android.telecom.PhoneAccount getPhoneAccount(android.telecom.PhoneAccountHandle);
+    method @FlaggedApi("com.android.server.telecom.flags.get_registered_phone_accounts") @NonNull public java.util.List<android.telecom.PhoneAccount> getRegisteredPhoneAccounts();
     method @NonNull @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public java.util.List<android.telecom.PhoneAccountHandle> getSelfManagedPhoneAccounts();
     method public android.telecom.PhoneAccountHandle getSimCallManager();
     method @Nullable public android.telecom.PhoneAccountHandle getSimCallManagerForSubscription(int);
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index 15a978d..08c76af 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -1434,6 +1434,31 @@
     }
 
     /**
+     * This API will return all {@link PhoneAccount}s registered via
+     * {@link TelecomManager#registerPhoneAccount(PhoneAccount)}. If a {@link PhoneAccount} appears
+     * to be missing from the list, Telecom has either unregistered the {@link PhoneAccount}
+     * or the caller registered the {@link PhoneAccount} under a different user and does not
+     * have the {@link android.Manifest.permission#INTERACT_ACROSS_USERS} permission.
+     *
+     * @return all the {@link PhoneAccount}s registered by the caller.
+     */
+    @SuppressLint("RequiresPermission")
+    @FlaggedApi(Flags.FLAG_GET_REGISTERED_PHONE_ACCOUNTS)
+    public @NonNull List<PhoneAccount> getRegisteredPhoneAccounts() {
+        ITelecomService service = getTelecomService();
+        if (service != null) {
+            try {
+                return service.getRegisteredPhoneAccounts(
+                        mContext.getOpPackageName(),
+                        mContext.getAttributionTag()).getList();
+            } catch (RemoteException e) {
+                throw e.rethrowFromSystemServer();
+            }
+        }
+        throw new IllegalStateException("Telecom is not available");
+    }
+
+    /**
      * Returns a list of {@link PhoneAccountHandle}s including those which have not been enabled
      * by the user.
      *
diff --git a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
index 7dba799e..302a472 100644
--- a/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
+++ b/telecomm/java/com/android/internal/telecom/ITelecomService.aidl
@@ -93,6 +93,12 @@
     PhoneAccount getPhoneAccount(in PhoneAccountHandle account, String callingPackage);
 
     /**
+     * @see TelecomManager#getPhoneAccount
+     */
+    ParceledListSlice<PhoneAccount> getRegisteredPhoneAccounts(String callingPackage,
+            String callingFeatureId);
+
+    /**
      * @see TelecomManager#getAllPhoneAccountsCount
      */
     int getAllPhoneAccountsCount();