/resources/local_services_lead.proto 

--- v24/resources/local_services_lead.proto 2026-08-13 23:22:23.000000000 +0000
+++ v25/resources/local_services_lead.proto 2026-08-13 23:22:29.000000000 +0000
@@ -114,12 +114,15 @@
   // Example: "+16504519489".
   string phone_number = 1 [(google.api.field_behavior) = OUTPUT_ONLY];

-  // Output only. Consumer email address.
-  string email = 2 [(google.api.field_behavior) = OUTPUT_ONLY];
-
   // Output only. Consumer name if consumer provided name from Message or
   // Booking form on google.com
   string consumer_name = 3 [(google.api.field_behavior) = OUTPUT_ONLY];
+
+  // Output only. The extension number to be used with the phone number. This
+  // field is populated only when the 'phone_number' is a tracking number. It is
+  // typically 3 or 4 digits. Example: 013, 0129. When populated, this extension
+  // number is required to reach out to the right consumer.
+  string phone_number_extension = 4 [(google.api.field_behavior) = OUTPUT_ONLY];
 }

 // Represents a note added to a lead by the advertiser. Advertisers can edit