Are you actually seeing USPS and all of the choices?
yes
What version Zen Cart?
1.3.8a
Clean install or an Upgrade?
neither. I haven't done anything to either zencart of the usps module for quite some time. i don't know how long this has been a problem.
what comes up for the version id on the:
/includes/modules/shipping/usps.php
**Line #6 : * @version $Id: usps.php 4867 2006-10-31 09:59:01Z drbyte $ **
Line #8 : * @version $Id: usps.php 8516 2008-05-13 01:56:07Z drbyte $
What are your settings in the Configuration ... Shipping/Packaging ...
country: US
postal code: 44321
max weight: 50
Package Tare Small: 0:0
Larger packages: 10:1
Display number of boxes and weight status: 3
Shipping estimator: 1
display order comments on admin invoice: 1
display order comments on admin packing slip: 1
What exactly is the weight that you are testing?
I've tested a variety of different weights