Each GSM mobile phone is assigned a unique 15 digit IMEI code when it is produced. If you know the IMEI code of a mobile phone, you can now check all known information regarding manufacturer, model type, date and country of approval.
The IMEI can be displayed on most mobile handsets by dialling the code *#06#. You can also check the compliance plate under the battery.
Check this link to find out where and when your phone was mAde....
http://www.numberingplans.com/index.php?goto=imei