GSM SECRET CODES

GSM Codes

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
Before you can activate these barring services you will need a barring code from your service provider. Call Barring can not be activated if Call Forwarding diverts are already in use. 

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]