diff --git a/settings/country_settings.yaml b/settings/country_settings.yaml
index 667684c6..a2ca7412 100644
--- a/settings/country_settings.yaml
+++ b/settings/country_settings.yaml
@@ -1809,7 +1809,8 @@ us:
     languages: en
     names: !include country-names/us.yaml
     postcode:
-      pattern: "ddddd"
+      pattern: "(ddddd)(?:-dddd)?"
+      output: \1
 
 
 # Uruguay (Uruguay)