forgot my security code

I already read the above comments..

but i've got a problem..

I doesn't used my phone for 5/6 months..

and today I activited my phone and totaly forget the security code..

when I start my phone with or without sim card..

he is asking for my code.. the only thing that I can typ is max. 10 numbers.. no * or # just numbers.. and I don;t know how to come in my mobile phone..

Please help me I already tried anything but nothings helps i think so..

Thanks..