*3370#
Activate Enhanced Full Rate Codec (EFR) - Your phone uses the best sound quality but talk time is reduced my approx. 5%

#3370#
Deactivate Enhanced Full Rate Codec (EFR)

*#0000#
Displays your phones software version, 1st Line : Software Version, 2nd Line : Software Release Date, 3rd Line : Compression Type.


*#9999#
Phones software version if *#0000# does not work.

*#06#
For checking the International Mobile Equipment Identity (IMEI Number).

**21*number#
Turn on "All Calls" diverting to the phone number entered.


**61*number#
Turn on "No Reply" diverting to the phone number entered.


**67*number#
Turn on "On Busy" diverting to the phone number entered.


12345
This is the default security code.


press and hold #
Lets you switch between lines

thanx dude, really its cool. but do you know formetion of nokia 60 series. well the FORMET code of nokia 60 series--
*#7370#
thanx.

hey admin dude, do you know total code of knowing about your nokia phone is--
*#92702689#
your imei no., life timer, purchase date and repair date displayed .
thanx