Did the zone for the Nashville Tenn area change from 22 to 17 during the 70's, 80's or 90's? In the NCRS Dealer Codes database Jim Reed Chevrolet's code is shown as 22-523 for 1970. Zone=22 and dealer number =523. In the GM dealer current database it is shown as 17523. I am wondering about the zone information since I am trying to figure out the dealer number for Capitol Chevrolet in Nashville for the year 1973. Today's dealer code for Capitol is 17096.
Roger
Roger
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