3.9 percent for USPS Ground Advantage and a larger 9.2 percent for Parcel Select. The price of a Priority Mail flat rate envelope (size 12-1/2″ x 9-1/2″) will jump from $10.45 to $10.78 while ...
By the time you buy the right envelope and add insurance, you may be better off going with a USPS Priority Mail Flat Rate Envelope, which costs $10.45. The postal service will provide a free ...
These hikes were approved by the USPS Board of Governors in November of 2024. Priority Mail rates are up 3.2%. With rates stating at $10.10 for Flat Rate Envelopes, $10.65, for USPS Flat Rate ...