diff --git a/app/models/delivery.py b/app/models/delivery.py
index ed395a4..4af39fe 100644
--- a/app/models/delivery.py
+++ b/app/models/delivery.py
@@ -18,7 +18,7 @@ class Delivery(Base):
     customer_address = Column(VARCHAR(1000))
     customer_town = Column(VARCHAR(140))
     customer_state = Column(VARCHAR(140))
-    customer_zip = Column(INTEGER)
+    customer_zip = Column(VARCHAR(10))
  
     gallons_ordered = Column(INTEGER)
     customer_asked_for_fill = Column(INTEGER)