diff --git a/web_admin/serializers/user_management_serializer.py b/web_admin/serializers/user_management_serializer.py
index 78a1136..5221e12 100644
--- a/web_admin/serializers/user_management_serializer.py
+++ b/web_admin/serializers/user_management_serializer.py
@@ -23,7 +23,8 @@ class UserManagementListSerializer(serializers.ModelSerializer):
     user management serializer
     """
     name = serializers.SerializerMethodField()
-    phone_number = serializers.SerializerMethodField()
+    country_code = serializers.SerializerMethodField()
+    phone = serializers.SerializerMethodField()
     user_type = serializers.SerializerMethodField()
     is_active = serializers.SerializerMethodField()
 
@@ -32,7 +33,7 @@ class UserManagementListSerializer(serializers.ModelSerializer):
         meta class
         """
         model = USER
-        fields = ('id', 'name', 'email', 'phone_number', 'user_type', 'is_active')
+        fields = ('id', 'name', 'email', 'country_code', 'phone', 'user_type', 'is_active')
 
     @staticmethod
     def get_name(obj):
@@ -43,15 +44,28 @@ class UserManagementListSerializer(serializers.ModelSerializer):
         return f"{obj.first_name} {obj.last_name}" if obj.last_name else obj.first_name
 
     @staticmethod
-    def get_phone_number(obj):
+    def get_country_code(obj):
         """
         :param obj: user object
         :return: user phone number
         """
         if profile := obj.guardian_profile.all().first():
-            return f"+{profile.country_code}{profile.phone}" if profile.country_code and profile.phone else profile.phone
+            return profile.country_code if profile.country_code else None
         elif profile := obj.junior_profile.all().first():
-            return f"+{profile.country_code}{profile.phone}" if profile.country_code and profile.phone else profile.phone
+            return profile.country_code if profile.country_code else None
+        else:
+            return None
+
+    @staticmethod
+    def get_phone(obj):
+        """
+        :param obj: user object
+        :return: user phone number
+        """
+        if profile := obj.guardian_profile.all().first():
+            return profile.phone if profile.phone else None
+        elif profile := obj.junior_profile.all().first():
+            return profile.phone if profile.phone else None
         else:
             return None
 
diff --git a/web_admin/views/user_management.py b/web_admin/views/user_management.py
index db41855..e4018ac 100644
--- a/web_admin/views/user_management.py
+++ b/web_admin/views/user_management.py
@@ -28,7 +28,7 @@ class UserManagementViewSet(GenericViewSet, mixins.ListModelMixin,
     api to manage (list, view, edit) user
     """
     serializer_class = UserManagementListSerializer
-    permission_classes = []
+    permission_classes = [IsAuthenticated, AdminPermission]
     queryset = USER.objects.filter(is_superuser=False
                                    ).prefetch_related('guardian_profile',
                                                       'junior_profile'