diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5d490f4d..fa0d9d8f 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## [4.49.0](https://github.com/plivo/plivo-node/tree/v4.49.0) (2023-06-02)
+**Feature - CNAM Lookup**
+- Added New Param `cnam_lookup` in to the response of the [list all numbers API], [list single number API]
+- Added `cnam_lookup` filter to AccountPhoneNumber - list all my numbers API.
+- Added `cnam_lookup` parameter to buy number[Buy a Phone Number]  to configure CNAM Lookup while buying a US number
+- Added `cnam_lookup` parameter to update number[Update an account phone number] to configure CNAM Lookup while buying a US number
+
 ## [4.48.0](https://github.com/plivo/plivo-node/tree/v4.43.1) (2023-03-16)
 **Feature : Adding new param in getCallDetails API**
 - Added CNAM (Caller_id Name) details at CDR level.
diff --git a/lib/resources/numbers.js b/lib/resources/numbers.js
index 49b22e8a..0d613efc 100644
--- a/lib/resources/numbers.js
+++ b/lib/resources/numbers.js
@@ -14,12 +14,13 @@ const idField = 'number';
 
 
 export class BuyNumberResponse {
-    constructor(params) {
+    constructor(params, statusCode) {
         params = params || {};
         this.apiId = params.apiId;
         this.numbers = params.numbers;
         this.status = params.status;
-
+        this.message = params.message;
+        this.statusCode = statusCode;
     }
 }
 
@@ -77,13 +78,14 @@ export class PhoneNumber extends PlivoResource {
      * Buy Phone Number
      * @method
      * @param {string} appId - app id
+     * @param {string} cnamLookup - cnam lookup
      * @promise {@link PlivoGenericResponse} return PlivoGenericResponse Object if success
      * @fail {Error} return Error
      */
-    buy(number,appId) {
+    buy(number,appId,cnamLookup) {
         return new PhoneNumberInterface(this[clientKey], {
             id: this.id
-        }).buy(number,appId);
+        }).buy(number,appId,cnamLookup);
     }
 }
 
@@ -106,20 +108,24 @@ export class PhoneNumberInterface extends PlivoResourceInterface {
      * Buy Phone Number
      * @method
      * @param {string} appId - app id
+     * @param {string} cnamLookup - cnam lookup
      * @promise {@link PlivoGenericResponse} return PlivoGenericResponse Object if success
      * @fail {Error} return Error
      */
-    buy(number, appId) {
+    buy(number, appId,cnamLookup) {
         let params = {};
         if (appId) {
             params.app_id = appId;
         }
+        if (cnamLookup) {
+          params.cnam_lookup = cnamLookup;
+        }
         let client = this[clientKey];
 
         return new Promise((resolve, reject) => {
             client('POST', 'PhoneNumber/' + number + '/', params)
                 .then(response => {
-                    resolve(new BuyNumberResponse(response.body, idField));
+                    resolve(new BuyNumberResponse(response.body, response.response.status, idField));
                 })
                 .catch(error => {
                     reject(error);
@@ -172,6 +178,7 @@ export class NumberResource extends PlivoResource {
      * @param {string} [params.appId] - app id
      * @param {string} [params.subAccount] - auth_id of subaccount
      * @param {string} [params.alias] - textual name of number
+     * @param {string} [params.cnamLookup] - cnam lookup of number
      * @promise {@link NumberResource} return NumberResource Object if success
      * @fail {Error} return Error
      */
@@ -217,10 +224,11 @@ export class NumberInterface extends PlivoResourceInterface {
      * @method
      * @param {string} number - number to buy
      * @param {string} appId - app id
+     * @param {string} cnamLookup - cnam lookup
      * @promise {@link PlivoGenericResponse} return PlivoGenericResponse Object if success
      * @fail {Error} return Error
      */
-    buy(number, appId) {
+    buy(number, appId, cnamLookup) {
         let errors = validate([{
             field: 'number',
             value: number,
@@ -232,7 +240,7 @@ export class NumberInterface extends PlivoResourceInterface {
         }
         return new PhoneNumber(this[clientKey], {
             id: number
-        }).buy(number, appId);
+        }).buy(number, appId, cnamLookup);
     }
 
     /**
@@ -271,7 +279,7 @@ export class NumberInterface extends PlivoResourceInterface {
         params.numbers = numbers;
         params.carrier = carrier;
         params.region = region;
-        
+
         let client = this[clientKey];
         return new Promise((resolve, reject) => {
             client('POST', action, params)
@@ -316,6 +324,7 @@ export class NumberInterface extends PlivoResourceInterface {
      * @param {string} [params.appId] - app id
      * @param {string} [params.subAccount] - auth_id of subaccount
      * @param {string} [params.alias] - textual name of number
+     * @param {string} [params.cnamLookup] - cnam lookup of number
      * @promise {@link NumberResource} return NumberResource Object if success
      * @fail {Error} return Error
      */
diff --git a/package.json b/package.json
index ed2eeb5b..187bcc57 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "plivo",
-  "version": "4.48.0",
+  "version": "4.49.0",
   "description": "A Node.js SDK to make voice calls and send SMS using Plivo and to generate Plivo XML",
   "homepage": "https://github.com/plivo/plivo-node",
   "files": [