No, the UPS API requires the country code. It will only work with "US". The registration page must be storing the wrong value. Check the select list on that page.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.