want To check IMEI (International Mobile Equipment Identity) of any mobile,

follow the steps

On the main screen type *#06#

Information you get from the IMEI
    XXXXXX     XX     XXXXXX    X
        TAC      FAC       SNR     SP

TAC = Type approval code of your Nokia Mobile
FAC = Final assembly code of your cellphone
SNR = Serial number of your Nokia Phone
SP = Spare