diff --git a/src/Plivo/Resources/Pricing/Pricing.php b/src/Plivo/Resources/Pricing/Pricing.php
index e4e46ffc..a4fad6d0 100644
--- a/src/Plivo/Resources/Pricing/Pricing.php
+++ b/src/Plivo/Resources/Pricing/Pricing.php
@@ -46,9 +46,12 @@ function __construct(BaseClient $client, $response)
             $outboundNetworksList
         );
 
+        $toll_free = isset($response['phone_numbers']['tollfree']['rate']) ? $response['phone_numbers']['tollfree']['rate']: null;
+        $local     = isset($response['phone_numbers']['local']['rate']) ? $response['phone_numbers']['local']['rate']: null;
+
         $this->properties['phoneNumbers'] = new PhoneNumbers(
-            new Local($response['phone_numbers']['local']['rate']),
-            new Tollfree($response['phone_numbers']['tollfree']['rate'])
+            new Local($local),
+            new Tollfree($toll_free)
         );
 
         $this->properties['voice'] = new Voice(