As most readers of Crackberry know, all mobile phones and Blackberrys are assigned a unique 15 digit IMEI code upon production. Just for the geek factor :), enter your IMEI number via the link below, and you can check all known information regarding manufacturer, model type, and country of approval of a handset.
IMEI Checker/Analysis
International Numbering Plans
SIM card Checker/Analysis
International Numbering Plans