Some USPS services soon will increase by as much as 9.2%. Here's what and when customers will see a change at the post office ...

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 ...