diff --git a/configuration.py b/configuration.py
new file mode 100644
index 0000000..68b0a75
--- /dev/null
+++ b/configuration.py
@@ -0,0 +1,16 @@
+#This file is part country_zip module for Tryton.
+#The COPYRIGHT file at the top level of this repository contains 
+#the full copyright notices and license terms.
+from trytond.model import fields
+from trytond.pool import PoolMeta
+
+
+__all__ = ['Configuration']
+__metaclass__ = PoolMeta
+
+class Configuration:
+    __name__ = 'party.configuration'
+
+    default_prefix_zip = fields.Property(
+        fields.Char('Prefix Zip', help='Default prefix country (uppercase).'))
+