Site: USPSWon't let me create a label and pay for it. Add new comment Comments Track and confirm will not let me enter the tracking number. This is not the first time this has happened. Not a very reliable web site. reply Add new comment Your name * E-mail * The content of this field is kept private and will not be shown publicly. Comment * Notify me when new comments are posted bjsiG7 Enter the code above * Enter the code without spaces.