Quote Originally Posted by Randolph Hoppe View Post
2022-08-07 K11e, but forgive me, I'm still on ZC 1.5.1 with PHP Version 5.4.45 and MySQL 5.5.5-10.3.37-MariaDB.

If Priority quotes weren't working, too, I'd understand it's because of my bad set-up.
I have no way of validating the USPS operation on that version of Zen Cart and/or that version of PHP.