IBM card data

I do have the Certicard, I'll have to look next time I'm near the car. Glove box card was long gone when I got the hot rod.
Looked at the Certicard today, it has the same info that I already had, Region 12, Dealer 17000. Does CLC stand for Chrysler Leasing Corporation or similar?

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Lots of 6's with this car. 6-66 on the Certicard, 603 for a SPD, and a Shipped Date of 6-06 on the IBM card. Was it actually built on it's intended day? Pretty sure I'll never know.