diff --git a/core/api/current.txt b/core/api/current.txt
index 48d44f91dc200..cebdc249afa8d 100644
--- a/core/api/current.txt
+++ b/core/api/current.txt
@@ -40641,7 +40641,7 @@ package android.telecom {
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public java.util.List<android.telecom.PhoneAccountHandle> getCallCapablePhoneAccounts();
     method public String getDefaultDialerPackage();
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public android.telecom.PhoneAccountHandle getDefaultOutgoingPhoneAccount(String);
-    method @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 @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 public android.telecom.PhoneAccount getPhoneAccount(android.telecom.PhoneAccountHandle);
     method @RequiresPermission(android.Manifest.permission.READ_PHONE_STATE) public java.util.List<android.telecom.PhoneAccountHandle> getSelfManagedPhoneAccounts();
     method public android.telecom.PhoneAccountHandle getSimCallManager();
@@ -42709,7 +42709,7 @@ package android.telephony {
     method @Nullable public String getMccString();
     method @Deprecated public int getMnc();
     method @Nullable public String getMncString();
-    method public String getNumber();
+    method @Deprecated public String getNumber();
     method public int getPortIndex();
     method public int getSimSlotIndex();
     method public int getSubscriptionId();
@@ -42964,7 +42964,7 @@ package android.telephony {
     method public String getIccAuthentication(int, int, String);
     method @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public String getImei();
     method @RequiresPermission("android.permission.READ_PRIVILEGED_PHONE_STATE") public String getImei(int);
-    method @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_SMS, android.Manifest.permission.READ_PHONE_NUMBERS}) public String getLine1Number();
+    method @Deprecated @RequiresPermission(anyOf={android.Manifest.permission.READ_PHONE_STATE, android.Manifest.permission.READ_SMS, android.Manifest.permission.READ_PHONE_NUMBERS}) public String getLine1Number();
     method @NonNull @RequiresPermission(android.Manifest.permission.READ_PRECISE_PHONE_STATE) public String getManualNetworkSelectionPlmn();
     method @Nullable public String getManufacturerCode();
     method @Nullable public String getManufacturerCode(int);
@@ -43049,7 +43049,7 @@ package android.telephony {
     method @Deprecated @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataEnabled(boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setDataEnabledForReason(int, boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public int setForbiddenPlmns(@NonNull java.util.List<java.lang.String>);
-    method public boolean setLine1NumberForDisplay(String, String);
+    method @Deprecated public boolean setLine1NumberForDisplay(String, String);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public void setNetworkSelectionModeAutomatic();
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setNetworkSelectionModeManual(String, boolean);
     method @RequiresPermission(android.Manifest.permission.MODIFY_PHONE_STATE) public boolean setNetworkSelectionModeManual(@NonNull String, boolean, int);
diff --git a/telecomm/java/android/telecom/TelecomManager.java b/telecomm/java/android/telecom/TelecomManager.java
index abbce1cd869df..98f619f497d4e 100644
--- a/telecomm/java/android/telecom/TelecomManager.java
+++ b/telecomm/java/android/telecom/TelecomManager.java
@@ -1687,7 +1687,11 @@ public class TelecomManager {
      *
      * @param accountHandle The handle for the account retrieve a number for.
      * @return A string representation of the line 1 phone number.
+     * @deprecated use {@link SubscriptionManager#getPhoneNumber(int)} instead, which takes a
+     *             Telephony Subscription ID that can be retrieved with the {@code accountHandle}
+     *             from {@link TelephonyManager#getSubscriptionId(PhoneAccountHandle)}.
      */
+    @Deprecated
     @SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges or default SMS app
     @RequiresPermission(anyOf = {
             android.Manifest.permission.READ_PHONE_STATE,
diff --git a/telephony/java/android/telephony/SubscriptionInfo.java b/telephony/java/android/telephony/SubscriptionInfo.java
index d6d6775cb40ff..d11ad914061da 100644
--- a/telephony/java/android/telephony/SubscriptionInfo.java
+++ b/telephony/java/android/telephony/SubscriptionInfo.java
@@ -498,7 +498,10 @@ public class SubscriptionInfo implements Parcelable {
      *
      * @return the number of this subscription, or an empty string if one of these requirements is
      * not met
+     * @deprecated use {@link SubscriptionManager#getPhoneNumber(int)} instead, which takes a
+     *             {@link #getSubscriptionId() subscription ID}.
      */
+    @Deprecated
     public String getNumber() {
         return mNumber;
     }
diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 04e7b7c8711c5..88b21e0428b00 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -4791,7 +4791,10 @@ public class TelephonyManager {
      *     for any API level.
      *     {@link android.Manifest.permission#READ_PHONE_STATE READ_PHONE_STATE}
      *     for apps targeting SDK API level 29 and below.
+     *
+     * @deprecated use {@link SubscriptionManager#getPhoneNumber(int)} instead.
      */
+    @Deprecated
     @SuppressAutoDoc // Blocked by b/72967236 - no support for carrier privileges or default SMS app
     @RequiresPermission(anyOf = {
             android.Manifest.permission.READ_PHONE_STATE,
@@ -4864,7 +4867,9 @@ public class TelephonyManager {
      * @param alphaTag alpha-tagging of the dailing nubmer
      * @param number The dialing number
      * @return true if the operation was executed correctly.
+     * @deprecated use {@link SubscriptionManager#setCarrierPhoneNumber(int, String)} instead.
      */
+    @Deprecated
     public boolean setLine1NumberForDisplay(String alphaTag, String number) {
         return setLine1NumberForDisplay(getSubId(), alphaTag, number);
     }
@@ -4885,6 +4890,10 @@ public class TelephonyManager {
      */
     public boolean setLine1NumberForDisplay(int subId, String alphaTag, String number) {
         try {
+            // This API is deprecated; call the new API to allow smooth migartion.
+            // The new API doesn't accept null so convert null to empty string.
+            mSubscriptionManager.setCarrierPhoneNumber(subId, (number == null ? "" : number));
+
             ITelephony telephony = getITelephony();
             if (telephony != null)
                 return telephony.setLine1NumberForDisplayForSubscriber(subId, alphaTag, number);