What do you dial to bring up the IMEI number on a mobile phone?

What do you dial to bring up the IMEI number on a mobile phone?

• #69#*
• *#123#
• *#06#
• #044*# 

EXPLANATION

Every phone or Mobile Broadband device has a unique 15 digit code, called an IMEI number. You might need to find your IMEI number if you want to unlock your device to use with other networks, or for some
insurance policies. You can find your IMEI in the following ways: by entering *#06# on your phone's call screen.

SOURCE

http://support.three.co.uk/SRVS/CGI-BIN/WEBISAPI.dll/,/?New,Kb=Mobile,Ts=Mobile,T=CaseDoc,Case=Obj(6589)