CDMA 2000 is the technology used in your phone, not the model number.  You will need to find the brand and model of your phone In order to find accessories for it.  Start by looking for another label with a brand name that matches one of the following.  You may have to remove the battery if you do not see it on the phone exterior.

The Audiovox 9500 is often the phone that people refer to as the CDMA2000 phone.