diff --git a/api/current.txt b/api/current.txt
index d26bb22fcca13..02e2847fe9bcf 100644
--- a/api/current.txt
+++ b/api/current.txt
@@ -44418,10 +44418,10 @@ package android.telephony {
   }
 
   public final class CellIdentityNr extends android.telephony.CellIdentity {
-    method public int getChannelNumber();
     method public String getMccString();
     method public String getMncString();
     method public long getNci();
+    method public int getNrarfcn();
     method public int getPci();
     method public int getTac();
     method public void writeToParcel(android.os.Parcel, int);
diff --git a/telephony/java/android/telephony/CellIdentityNr.java b/telephony/java/android/telephony/CellIdentityNr.java
index b48388ecd168b..5a89ae83fbb6d 100644
--- a/telephony/java/android/telephony/CellIdentityNr.java
+++ b/telephony/java/android/telephony/CellIdentityNr.java
@@ -89,11 +89,14 @@ public final class CellIdentityNr extends CellIdentity {
     }
 
     /**
-     * Get the Absolute Radio Frequency Channel Number.
+     * Get the New Radio Absolute Radio Frequency Channel Number.
+     *
+     * Reference: 3GPP TS 38.101-1 section 5.4.2.1 NR-ARFCN and channel raster.
+     * Reference: 3GPP TS 38.101-2 section 5.4.2.1 NR-ARFCN and channel raster.
+     *
      * @return Integer value in range [0, 3279165] or {@link CellInfo#UNAVAILABLE} if unknown.
      */
-    @Override
-    public int getChannelNumber() {
+    public int getNrarfcn() {
         return mNrArfcn;
     }