diff --git a/plivo/resources/numbers.py b/plivo/resources/numbers.py
index c676dbef..943619a5 100644
--- a/plivo/resources/numbers.py
+++ b/plivo/resources/numbers.py
@@ -34,8 +34,11 @@ 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 +93,7 @@ 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 +135,10 @@ 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..82873531 100644
--- a/tests/resources/fixtures/numberGetResponse.json
+++ b/tests/resources/fixtures/numberGetResponse.json
@@ -9,6 +9,7 @@
   "number": "17609915566",
   "number_type": "local",
   "city": "USA",
+  "cnam": "plivo",
   "cnam_lookup": "enabled",
   "compliance_application_id": null,
   "compliance_status": null,
diff --git a/tests/resources/fixtures/numberListResponse.json b/tests/resources/fixtures/numberListResponse.json
index c341595b..4d4a9ad6 100644
--- a/tests/resources/fixtures/numberListResponse.json
+++ b/tests/resources/fixtures/numberListResponse.json
@@ -32,6 +32,7 @@
       "tendlc_registration_status": "PROCESSING",
       "toll_free_sms_verification": null,
       "renewal_date": "2014-09-05",
+      "cnam": "plivo",
       "cnam_lookup": "enabled",
       "voice_enabled": true,
       "voice_rate": "0.00850"
@@ -60,6 +61,7 @@
       "tendlc_registration_status": "REGISTERED",
       "toll_free_sms_verification": null,
       "renewal_date": "2013-02-01",
+      "cnam": "",
       "cnam_lookup": "enabled",
       "voice_enabled": true,
       "voice_rate": "0.00850"
@@ -87,6 +89,7 @@
       "tendlc_registration_status": null,
       "toll_free_sms_verification": "verified",
       "renewal_date": "2013-04-25",
+      "cnam": "plivo",
       "cnam_lookup": "disabled",
       "voice_enabled": true,
       "voice_rate": "0.00850"