I also have a Nokia 3120b in need of unlock code: IMEI 35624400124719 Locked to Cingular Country USA Thank you very much.
#pw+355726070340377+1# #pw+427497444577747+7# ENTER CODE WITH OUT SPACES Remove sim first, press # Press * 3 times fast for (p) Press * 4 times fast for (w) Press * 2 times fast for (+) Verify code before pressing the last #.