Wirelessly posted
See
http://www.blackberryfaq.com/index.p...ta_Plan_for%3F and
http://www.blackberryfaq.com/index.p...eric_Data_Plan.
You will not be able to use blackberry/RIM data apps, but if you have general (not blackberry) data service, you may be able to use a third-party browser, such as opera mini.