Different carriers have specific procedures for handling a shipping label inquiry. Here’s how to get assistance from major carriers. USPS Shipping Label Inquiry: Check the USPS tracking page for real-time updates. Call USPS customer service for address changes. FedEx Shipping Label Inquiry: Use FedEx Delivery Manager to track or reroute your shipment. UPS Shipping Label Inquir... https://smoothpapers.co.uk/pages/contact-us