unlock codes please...

[vulcan2]

Could you please help me find the code? Thanks.

Phone: Nokia 6200
IMEI: 351461500770218
Network: 31038 - AT&T USA
Network Type: GSM 1900

[t-mobile1121]

#pw+912942146041445+1#

[t-mobile1121]

#pw+912942146041445+1#