


Commercial Base Pricing (CBP) is the discounted price available to Priority Mail customers that use specific postage payment methods, which you can get by using shipping software. Retail Pricing is the amount you would pay to send a package at the counter of the Post Office. Below is a Priority Mail flat rate pricing chart that compares flat rate pricing to standard shipping prices.

anywhere in the United States for one flat rate. It means you can send a package weighing up to 70 lbs. within 1 to 3 business days-including Saturday! Priority Mail flat rate shipping helps businesses send heavier envelopes and packages at a lower cost than the other major carriers. Depending on the distance your package travels, Priority Mail flat rate service delivers shipments anywhere in the continental U.S. Priority Mail is one of the most popular services from the USPS®. What is Priority Mail ® Flat Rate Shipping?
