I may be wromg as rain.
N/A to me means Not Applicable. You are not in the high risk areas so it is not added to your policy. They started using them after billion dollar hurricanes. If it were me I would park my butt in my agents office until they clarified the statement.
Not really sure this helps.
https://www.naic.org/cipr_topics/topic_hurricane_deductibles.htm