The following codes are the standard GSM codes for various network services. Most Nokia phones have easier ways to activate them through the menus. Check the guides for your model.
Call Diverting
All
To Activate: * * 21 * NUMBER # [SEND]
To Cancel: # # 21 # [SEND]
To Check: * # 21 # [SEND]
No Answer
To Activate: * * 61 * NUMBER # [SEND]
To Cancel: # # 61 # [SEND]
To Check: * # 61 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER # [SEND]
To Cancel: # # 62 # [SEND]
To Check: * # 62 # [SEND]
Busy
To Activate: * * 67 * NUMBER # [SEND]
To Cancel: # # 67 # [SEND]
To Check: * # 67 # [SEND]
To Cancel All Call Forwarding: # # 002 # [SEND]
Diverting Data Calls
All
To Activate: * * 21 * NUMBER * 25 # [SEND]
To Cancel: # # 21 # * 25 [SEND]
To Check Status: * # 21 # * 25 # [SEND]
No Answer
To Activate: * * 61 * NUMBER * 25 # [SEND]
To Cancel: # # 61 * 25 # [SEND]
To Check Status: * # 61 # * 25 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER * 25 # [SEND]
To Cancel: # # 62 # * 25 # [SEND]
To Check Status: * # 62 # * 25 # [SEND]
Busy
To Activate: * * 67 * NUMBER * 25 # [SEND]
To Cancel: # # 67 # * 25 # [SEND]
To Check Status: * # 67 # * 24 # [SEND]
Diverting Fax Calls
All
To Activate: * * 21 * NUMBER * 13 #[SEND]
To Cancel: # # 21 # * 13 # [SEND]
To Check Status: * # 21 # * 13 # [SEND]
No Answer
To Activate: * * 61 * NUMBER * 13 # [SEND]
To Cancel: # # 61 * 13 # [SEND]
To Check Status: * # 61 # * 13 # [SEND]
Unreachable
To Activate: * * 62 * NUMBER * 13 # [SEND]
To Cancel: # # 62 # * 13 # [SEND]
To Check Status: * # 62 # * 13 # [SEND]
Busy
To Activate: * * 67 * NUMBER * 13 # [SEND]
To Cancel: # # 67 # * 13 # [SEND]
To Check Status: * # 67 # * 13 #[SEND]
Call Barring
All Calls
To Activate: * 330 * BARRING CODE # [SEND]
To Cancel: # 330 * BARRING CODE # [SEND]
To Check: * # 330 # [SEND]
All Outgoing Calls
To Activate: * 333 * BARRING CODE # [SEND]
To Cancel: # 333 * BARRING CODE # [SEND]
To Check: * # 333 # [SEND]
All Incoming Calls
To Activate: * 353 * BARRING CODE # [SEND]
To Cancel: # 353 * BARRING CODE # [SEND]
To Check: * # 353 # [SEND]
All Outgoing Calls
To Activate: * 33 * BARRING CODE# [SEND]
To Cancel: # 33 * BARRING CODE # [SEND]
To Check: * # 33 # [SEND]
All Outgoing International Calls
To Activate: * 331 * BARRING CODE# [SEND]
To Cancel: # 331 * BARRING CODE # [SEND]
To Check: * # 331 # [SEND]
All Outgoing International Calls Except To Home Country
To Activate: * 332 * BARRING CODE# [SEND]
To Cancel: # 332 * BARRING CODE # [SEND]
To Check: * # 332 # [SEND]
All Incoming Calls
To Activate: * 35 * BARRING CODE # [SEND]
To Cancel: # 35 * BARRING CODE # [SEND]
To Check: * # 35 # [SEND]
All Incoming Calls When Outside Home Country
To Activate: * 351 * BARRING CODE # [SEND]
To Cancel: # 351 * BARRING CODE # [SEND]
To Check: * # 351 # [SEND]
Canceling All Call Barring: # 330 * BARRING CODE # [SEND]
Call Waiting
To Activate: * 43 # [SEND]
To Deactivate: # 43 # [SEND]
To Check: * # 43 # [SEND]
Calling Line Identity
Outgoing
To Activate: * 31 # [SEND]
To Deactivate: # 31 # [SEND]
To Check: * # 31 # [SEND]
Incoming
To Activate: * 30 # [SEND]
To Deactivate: # 30 # [SEND]