diff --git a/resources/PhoneNumberMetadata.xml b/resources/PhoneNumberMetadata.xml
index 5a4ec9a32..478005fb6 100644
--- a/resources/PhoneNumberMetadata.xml
+++ b/resources/PhoneNumberMetadata.xml
@@ -1533,11 +1533,14 @@
       <sharedCost>
         <nationalNumberPattern>
           8(?:
-            10|
-            2[018]
-          )\d{6,10}
+            10\d|
+            2(?:
+              [01]\d|
+              8\d?
+            )
+          )\d{5,9}
         </nationalNumberPattern>
-        <possibleNumberPattern>\d{9,13}</possibleNumberPattern>
+        <possibleNumberPattern>\d{8,13}</possibleNumberPattern>
         <exampleNumber>810123456</exampleNumber>
       </sharedCost>
       <voip>