FedEx Shipping plugin for WooCommerce displays live shipping rates at cart / checkout pages and validates shipping address before allowing to place an order.
With the PostNL Address Validation for WooCommerce plug-in you can easily find a Dutch or International address in the check out. This way you always ship to the right address.
The WooCommerce Address Validator plugin automatically validates and corrects billing and shipping addresses for 240+ countries world-wide (https://www.byteplant.com/address-validator/).