How to sync address changes to 3PL after an order is placed to avoid failed interceptions?

When a customer changes their address after placing an order, if customer service only updates it in the store backend, the 3PL may have already received the old address. Intercepting after the carrier generates a label is costly and not guaranteed to succeed. My current process is to first determine the order status: unassigned, pushed to 3PL, picked, or label generated. If it hasn't been…