We have an issue where the billing / shipping addresses of an order automatically remove the leading 0 from a zip code. For example:
Danbury, Connecticut, 06811 becomes
Danbury, Connecticut, 6811
This leads to some validation errors with UPS and other shipping APIs that are trying to validate
6811 as zip code.
How can we make it so that the invoice / shipment stores the full zip code with a leading zero?