Nokia handphone secret code

These are the secret code of Nokia handphone.

Nokia Access Code
*#30# : Show ‘private number’ calling you.
*#73# : To Reset timer phone and game score (di atas several phonecell).
*#7780# : Return to setting factory (factory setting).
*#2820# : Address of peripheral IP Bluetooth (for celullar phone that have Bluetooth).
xx# : Access quick to name/nomer telephone in phone book celullar phone, for example 20#.
Knob off : Depress briefly, to make a move between profile.
*3370# : Activate EFR(Enhanced Full Rate) Codec (not applicable in celullar phone Symbian).
#3370# : Deactivate EFR Codec.
*#4270# : Activate Half Rate Codec.
*#4270# : Deactivate Half Rate Codec.
*#0000# : Present version of celullar phone software.
*#9999# : Alternative Code if *#0000# not work.
*#06# : See number IMEI (International Mobile Equipment Identity).
*#21# : Check transfer number “All Call” that used [by].
*#2640# : Present code of celullar phone security that used [by].
*#43# : Check status “Call Waiting”.
*#61# : To check caller number that transferred when not you answer.
*#62# : Checked caller number that transferred when your celullar phone beyond reach.
*#67# : Checked caller number that transferred when your celullar phone.
**21*number# : Animate transfer “All Call” at stuffed number.
**61*number# : Animate transfer “No Reply” at stuffed number.
**67*number# : Animate transfer “Di atas Bussy” at stuffed number.
*#67705646# : Change logo of logo operator in Nokia 3310 and 3330.
*#746025625# : Present status SIM Clock.
*#7760# : Present manufacturer code (a large part of old type celullar phones).
*#92702689# : Emerge : 1. Serial Number, 2. Date Made, 3. Purchase Date, 4. Date of last repair, 5.Transfer user data. Exit from this mode must restart celullar phone ( at some celullar phones ).