WBCCI numbers are assigned to members rather than trailers. The members put their number on any trailer or MOHO they own. WBCCI reuses the numbers after a member fails to renew for two years. I would have to know when you think the numbers were put onto the unit before I could reference my supply of old directories. For example: In 1966 the Olson's from from Minesota were using that number. In 1990 the Simmon's were using it.
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