When processing an order, you might run into the "Rate ToZIPCode and Destination Address ZIPCode field must match" error.
This error relates to incorrect or missing information in the order you're trying to process.
Feel free to follow the step-by-step guide written below or the video guide, as you prefer:
To solve this issue you will have to:
1. Find the order through any of the possible ways (after Import Orders, Batches, Order History, etc) as it applies to the case
2. Click the edit button of the order you wish to change
3. Add or correct the Postal Code to the order (validate the address properly first using USPS or SmartyStreets services)
4. Press Save to apply the changes
If the rest of the information in the order is correct, you will be able to process it.