diff --git a/telephony/java/android/telephony/TelephonyManager.java b/telephony/java/android/telephony/TelephonyManager.java
index 0eb170c0f1f85..71b796ac67a1d 100644
--- a/telephony/java/android/telephony/TelephonyManager.java
+++ b/telephony/java/android/telephony/TelephonyManager.java
@@ -3054,6 +3054,42 @@ public class TelephonyManager {
      * Expose the rest of ITelephony to @SystemApi
      */
 
+    /** @hide */
+    @SystemApi
+    public String getCdmaMdn() {
+        return getCdmaMdn(getDefaultSubscription());
+    }
+
+    /** @hide */
+    @SystemApi
+    public String getCdmaMdn(long subId) {
+        try {
+            return getITelephony().getCdmaMdn(subId);
+        } catch (RemoteException ex) {
+            return null;
+        } catch (NullPointerException ex) {
+            return null;
+        }
+    }
+
+    /** @hide */
+    @SystemApi
+    public String getCdmaMin() {
+        return getCdmaMin(getDefaultSubscription());
+    }
+
+    /** @hide */
+    @SystemApi
+    public String getCdmaMin(long subId) {
+        try {
+            return getITelephony().getCdmaMin(subId);
+        } catch (RemoteException ex) {
+            return null;
+        } catch (NullPointerException ex) {
+            return null;
+        }
+    }
+
     /** @hide */
     @SystemApi
     public int checkCarrierPrivilegesForPackage(String pkgname) {
diff --git a/telephony/java/com/android/internal/telephony/ITelephony.aidl b/telephony/java/com/android/internal/telephony/ITelephony.aidl
index d256f9d863271..22c09f0289949 100644
--- a/telephony/java/com/android/internal/telephony/ITelephony.aidl
+++ b/telephony/java/com/android/internal/telephony/ITelephony.aidl
@@ -676,6 +676,18 @@ interface ITelephony {
      */
     void setImsRegistrationState(boolean registered);
 
+    /**
+     * Return MDN string for CDMA phone.
+     * @param subId user preferred subId.
+     */
+    String getCdmaMdn(long subId);
+
+    /**
+     * Return MIN string for CDMA phone.
+     * @param subId user preferred subId.
+     */
+    String getCdmaMin(long subId);
+
     /**
      * Has the calling application been granted special privileges by the carrier.
      *