Can I use new SIM card to unlock my mobile telephone?

Mine is Samsung SGH A800. I have changed many SIM cards in this phone. As the power completely consumed, I have recharged the power and started it. It asks SIM lock password. The previous password is not working and it still remains locked. Can I make the phone work by a new SIM card? Will it ask SIM lock password again?
I have used PUK numbers but it’s not working.

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