diff --git a/CHANGELOG.md b/CHANGELOG.md
index 5cbea951..29582d5d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,12 @@
 # Change Log
 
+## [4.38.0](https://github.com/plivo/plivo-python/tree/v4.37.0) (2023-06-30)
+**Feature - CNAM Storage**
+- Added New Param `cnam` in to the response of the [list all numbers API], [list single number API]
+- Added `cnam` filter to AccountPhoneNumber - list all my numbers API.
+- Added `cnam`, `callback_url`, `callback_method` parameter to buy number[Buy a Phone Number]  to configure CNAM storage while buying a US number
+- Added `cnam`, `callback_url`, `callback_method` parameter to update number[Update an account phone number] to configure CNAM storage while updating a US number
+- 
 ## [4.37.0](https://github.com/plivo/plivo-python/tree/v4.37.0) (2022-06-38)
 **Feature - Streaming API and XML**
 - Added Stream API endpoints
diff --git a/plivo/resources/numbers.py b/plivo/resources/numbers.py
index c676dbef..85e8ef84 100644
--- a/plivo/resources/numbers.py
+++ b/plivo/resources/numbers.py
@@ -16,6 +16,7 @@ class Number(PlivoResource):
     def delete(self):
         return self.client.numbers.delete(self.id)
 
+    #here to make changes
     def update(self,
                app_id=None,
                subaccount=None,
@@ -34,8 +35,12 @@ def __init__(self, client):
         number=[is_phonenumber()],
         app_id=[optional(of_type(six.text_type))],
         verification_info=[optional(of_type_exact(dict))],
-        cnam_lookup=[optional(of_type(six.text_type))],)
-    def buy(self, number, app_id=None, verification_info=None, cnam_lookup=None):
+        cnam_lookup=[optional(of_type(six.text_type))],
+        cnam=[optional(of_type(six.text_type))],
+        callback_url=[optional(of_type(six.text_type))],
+        callback_method=[optional(of_type(six.text_type))],
+        )
+    def buy(self, number, app_id=None, verification_info=None, cnam_lookup=None, cnam=None, callback_url=None, callback_method=None):
         return self.client.request('POST', ('PhoneNumber', number),
                                    to_param_dict(self.buy, locals()))
 
@@ -90,6 +95,7 @@ def list(self,
              renewal_date__gte=None,
              renewal_date__gt=None,
              cnam_lookup=None,
+             cnam=None
              limit=20,
              offset=0):
         return self.client.request(
@@ -131,7 +137,10 @@ def update(self,
                subaccount=None,
                alias=None,
                verification_info=None,
-               cnam_lookup=None,):
+               cnam_lookup=None,
+               cnam=None,
+               callback_url=None,
+               callback_method=None):
         return self.client.request('POST', ('Number', number),
                                    to_param_dict(self.update, locals()))
 
diff --git a/tests/resources/fixtures/numberGetResponse.json b/tests/resources/fixtures/numberGetResponse.json
index b625ffa7..4e3ee4d0 100644
--- a/tests/resources/fixtures/numberGetResponse.json
+++ b/tests/resources/fixtures/numberGetResponse.json
@@ -10,6 +10,7 @@
   "number_type": "local",
   "city": "USA",
   "cnam_lookup": "enabled",
+  "cnam": "plivo",
   "compliance_application_id": null,
   "compliance_status": null,
   "country": "United States",
diff --git a/tests/resources/fixtures/numberListResponse.json b/tests/resources/fixtures/numberListResponse.json
index c341595b..73546bd3 100644
--- a/tests/resources/fixtures/numberListResponse.json
+++ b/tests/resources/fixtures/numberListResponse.json
@@ -33,6 +33,7 @@
       "toll_free_sms_verification": null,
       "renewal_date": "2014-09-05",
       "cnam_lookup": "enabled",
+      "cnam": "plivo",
       "voice_enabled": true,
       "voice_rate": "0.00850"
     },
@@ -61,6 +62,7 @@
       "toll_free_sms_verification": null,
       "renewal_date": "2013-02-01",
       "cnam_lookup": "enabled",
+      "cnam": "numbers",
       "voice_enabled": true,
       "voice_rate": "0.00850"
     },
@@ -88,6 +90,7 @@
       "toll_free_sms_verification": "verified",
       "renewal_date": "2013-04-25",
       "cnam_lookup": "disabled",
+      "cnam": "plivo12",
       "voice_enabled": true,
       "voice_rate": "0.00850"
     }