diff --git a/resources/parser/data_sets/openaddresses.yaml b/resources/parser/data_sets/openaddresses.yaml
index 32d95a9b..b3e1df64 100644
--- a/resources/parser/data_sets/openaddresses.yaml
+++ b/resources/parser/data_sets/openaddresses.yaml
@@ -2073,6 +2073,8 @@ countries:
                 language: es
                 files:
                     - filename: statewide.csv
+                      # postcodes should be like 00901
+                      postcode_length: 5
 
             ri:
                 add:
diff --git a/scripts/geodata/openaddresses/formatter.py b/scripts/geodata/openaddresses/formatter.py
index 03e6bf20..6601e36a 100644
--- a/scripts/geodata/openaddresses/formatter.py
+++ b/scripts/geodata/openaddresses/formatter.py
@@ -227,6 +227,8 @@ class OpenAddressesFormatter(object):
         place_only_probability = float(self.get_property('place_only_probability', *configs))
         place_and_postcode_probability = float(self.get_property('place_and_postcode_probability', *configs))
 
+        postcode_length = int(self.get_property('postcode_length', *configs))
+
         drop_address_probability = place_only_probability + place_and_postcode_probability
 
         ignore_rows_missing_fields = set(self.get_property('ignore_rows_missing_fields', *configs) or [])
@@ -346,6 +348,9 @@ class OpenAddressesFormatter(object):
                         components.pop(AddressFormatter.POSTCODE)
                         postcode = None
                     else:
+                        if postcode_length:
+                            postcode = postcode.zfill(postcode_length)
+
                         components[AddressFormatter.POSTCODE] = postcode
 
                 unit = components.get(AddressFormatter.UNIT, None)