The suspension notice / Banner has a “click here to contact us” you need to contact the Terms of Service people with that link to ask them – that link should always work.
You can also contact the staff here if the above link is not available: http://en.support.wordpress.com/suspended-blogs/ Should have a contact form at the bottom that should work all the time for everyone
WordPress.COM policy is not to discuss TOS violations in the Forum and us unpaid volunteer helpers can’t return your site anyway. You might also review the following links for more information on what might have happened. Mistakes are sometimes made but you need to talk with the TOS people.
You might also review the TOS before you get too far along:
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