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How to Prepare & Send a Package | USPS
Send Mail & Packages | USPS
How to Ship a Package at the Post Office: A Complete Guide - wikiHow
Mail & Shipping Services | USPS
USPS.com FAQs
USPS.com FAQs
USPS.com® - Create Shipping Labels
How to Mail a Package: Sending With USPS, UPS, or FedEx - Best …
USPS.com® - Create Shipping Labels
Preparing Packages - Postal Explorer