This new USPS shipping module can be used on the PRODUCTION server after USPS turns on the new Service Name changes for January 26, 2014, providing USPS has updated their Production Server.
Until then, the TEST SERVER or PRODUCTION SERVER can be used, for current rate quotes.
Zen Cart Users
IF you are using the USPS module you need this new module for accurate quotes as of Jan. 26th.
USPS Module Upgrade Service >> [Go Now]
Want to upgrade the module yourself?
- Needs to use FTP
- Backup Database
- Zen Cart Admin Access
- Get the mod here