Hi carvz05,
If your card is blocked due to entering the PayPal code incorrectly you wouldn't be able to add it back on yourself. We can, however, unblock it for you. It's security feature so we'd need to get you to verify some information first but a quick phone call will sort it.
You can find our phone number by clicking contact us at the bottom of any PayPal page.
I hope this helps.
Rachael.
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