diff --git a/telecomm/java/android/telecom/PhoneAccount.java b/telecomm/java/android/telecom/PhoneAccount.java
index c42a8352a68a8..5530cb7b53e1f 100644
--- a/telecomm/java/android/telecom/PhoneAccount.java
+++ b/telecomm/java/android/telecom/PhoneAccount.java
@@ -41,6 +41,15 @@ import java.util.List;
  */
 public final class PhoneAccount implements Parcelable {
 
+    /**
+     * {@link PhoneAccount} extras key (see {@link PhoneAccount#getExtras()}) which determines the
+     * sort order for {@link PhoneAccount}s from the same
+     * {@link android.telecom.ConnectionService}.
+     * @hide
+     */
+    public static final String EXTRA_SORT_ORDER =
+            "android.telecom.extra.SORT_ORDER";
+
     /**
      * {@link PhoneAccount} extras key (see {@link PhoneAccount#getExtras()}) which determines the
      * maximum permitted length of a call subject specified via the