Stamps.com Woocommerce Integration

With the Stamps.com WooCommerce Wordpress integration plugin, you can automatically create ready-to-print shipping labels for USPS based on the items in an order or weight of the order. Stamps.com seamlessly accesses the latest USPS rates when creating your labels in the order system backend, giving you unprecedented reliability, ease and speed.


Error when trying to create shipping labels with extended zip code

Edit the wf_create_package function in the class-wf-shipping-stamps-admin.php file with the following code right before the function return. This will remove all the characters in the zip code after the 5th character and keep only the first 5 digits.

$order->shipping_postcode = substr($order->shipping_postcode, 0, 5);

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